diff options
Diffstat (limited to 'include/rlgl.h')
| -rw-r--r-- | include/rlgl.h | 869 |
1 files changed, 446 insertions, 423 deletions
diff --git a/include/rlgl.h b/include/rlgl.h index 2fa604d..86208de 100644 --- a/include/rlgl.h +++ b/include/rlgl.h @@ -1,15 +1,15 @@ /********************************************************************************************** * -* rlgl v4.0 - A multi-OpenGL abstraction layer with an immediate-mode style API +* rlgl v4.5 - A multi-OpenGL abstraction layer with an immediate-mode style API * * An abstraction layer for multiple OpenGL versions (1.1, 2.1, 3.3 Core, 4.3 Core, ES 2.0) * that provides a pseudo-OpenGL 1.1 immediate-mode style API (rlVertex, rlTranslate, rlRotate...) * -* When chosing an OpenGL backend different than OpenGL 1.1, some internal buffer are +* When choosing an OpenGL backend different than OpenGL 1.1, some internal buffer are * initialized on rlglInit() to accumulate vertex data. * * When an internal state change is required all the stored vertex data is renderer in batch, -* additioanlly, rlDrawRenderBatchActive() could be called to force flushing of the batch. +* additionally, rlDrawRenderBatchActive() could be called to force flushing of the batch. * * Some additional resources are also loaded for convenience, here the complete list: * - Default batch (RLGL.defaultBatch): RenderBatch system to accumulate vertex data @@ -61,12 +61,11 @@ * When loading a shader, the following vertex attribute and uniform * location names are tried to be set automatically: * -* #define RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION "vertexPosition" // Binded by default to shader location: 0 -* #define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD "vertexTexCoord" // Binded by default to shader location: 1 -* #define RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL "vertexNormal" // Binded by default to shader location: 2 -* #define RL_DEFAULT_SHADER_ATTRIB_NAME_COLOR "vertexColor" // Binded by default to shader location: 3 -* #define RL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT "vertexTangent" // Binded by default to shader location: 4 -* #define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2 "vertexTexCoord2" // Binded by default to shader location: 5 +* #define RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION "vertexPosition" // Bound by default to shader location: 0 +* #define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD "vertexTexCoord" // Bound by default to shader location: 1 +* #define RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL "vertexNormal" // Bound by default to shader location: 2 +* #define RL_DEFAULT_SHADER_ATTRIB_NAME_COLOR "vertexColor" // Bound by default to shader location: 3 +* #define RL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT "vertexTangent" // Bound by default to shader location: 4 * #define RL_DEFAULT_SHADER_UNIFORM_NAME_MVP "mvp" // model-view-projection matrix * #define RL_DEFAULT_SHADER_UNIFORM_NAME_VIEW "matView" // view matrix * #define RL_DEFAULT_SHADER_UNIFORM_NAME_PROJECTION "matProjection" // projection matrix @@ -85,7 +84,7 @@ * * LICENSE: zlib/libpng * -* Copyright (c) 2014-2022 Ramon Santamaria (@raysan5) +* Copyright (c) 2014-2023 Ramon Santamaria (@raysan5) * * This software is provided "as-is", without any express or implied warranty. In no event * will the authors be held liable for any damages arising from the use of this software. @@ -107,7 +106,7 @@ #ifndef RLGL_H #define RLGL_H -#define RLGL_VERSION "4.0" +#define RLGL_VERSION "4.5" // Function specifiers in case library is build/used as a shared library (Windows) // NOTE: Microsoft specifiers to tell compiler that symbols are imported/exported from a .dll @@ -243,6 +242,7 @@ #define RL_TEXTURE_FILTER_LINEAR_MIP_NEAREST 0x2701 // GL_LINEAR_MIPMAP_NEAREST #define RL_TEXTURE_FILTER_MIP_LINEAR 0x2703 // GL_LINEAR_MIPMAP_LINEAR #define RL_TEXTURE_FILTER_ANISOTROPIC 0x3000 // Anisotropic filter (custom identifier) +#define RL_TEXTURE_MIPMAP_BIAS_RATIO 0x4000 // Texture mipmap bias, percentage ratio (custom identifier) #define RL_TEXTURE_WRAP_REPEAT 0x2901 // GL_REPEAT #define RL_TEXTURE_WRAP_CLAMP 0x812F // GL_CLAMP_TO_EDGE @@ -263,7 +263,7 @@ #define RL_UNSIGNED_BYTE 0x1401 // GL_UNSIGNED_BYTE #define RL_FLOAT 0x1406 // GL_FLOAT -// Buffer usage hint +// GL buffer usage hint #define RL_STREAM_DRAW 0x88E0 // GL_STREAM_DRAW #define RL_STREAM_READ 0x88E1 // GL_STREAM_READ #define RL_STREAM_COPY 0x88E2 // GL_STREAM_COPY @@ -279,40 +279,59 @@ #define RL_VERTEX_SHADER 0x8B31 // GL_VERTEX_SHADER #define RL_COMPUTE_SHADER 0x91B9 // GL_COMPUTE_SHADER +// GL blending factors +#define RL_ZERO 0 // GL_ZERO +#define RL_ONE 1 // GL_ONE +#define RL_SRC_COLOR 0x0300 // GL_SRC_COLOR +#define RL_ONE_MINUS_SRC_COLOR 0x0301 // GL_ONE_MINUS_SRC_COLOR +#define RL_SRC_ALPHA 0x0302 // GL_SRC_ALPHA +#define RL_ONE_MINUS_SRC_ALPHA 0x0303 // GL_ONE_MINUS_SRC_ALPHA +#define RL_DST_ALPHA 0x0304 // GL_DST_ALPHA +#define RL_ONE_MINUS_DST_ALPHA 0x0305 // GL_ONE_MINUS_DST_ALPHA +#define RL_DST_COLOR 0x0306 // GL_DST_COLOR +#define RL_ONE_MINUS_DST_COLOR 0x0307 // GL_ONE_MINUS_DST_COLOR +#define RL_SRC_ALPHA_SATURATE 0x0308 // GL_SRC_ALPHA_SATURATE +#define RL_CONSTANT_COLOR 0x8001 // GL_CONSTANT_COLOR +#define RL_ONE_MINUS_CONSTANT_COLOR 0x8002 // GL_ONE_MINUS_CONSTANT_COLOR +#define RL_CONSTANT_ALPHA 0x8003 // GL_CONSTANT_ALPHA +#define RL_ONE_MINUS_CONSTANT_ALPHA 0x8004 // GL_ONE_MINUS_CONSTANT_ALPHA + +// GL blending functions/equations +#define RL_FUNC_ADD 0x8006 // GL_FUNC_ADD +#define RL_MIN 0x8007 // GL_MIN +#define RL_MAX 0x8008 // GL_MAX +#define RL_FUNC_SUBTRACT 0x800A // GL_FUNC_SUBTRACT +#define RL_FUNC_REVERSE_SUBTRACT 0x800B // GL_FUNC_REVERSE_SUBTRACT +#define RL_BLEND_EQUATION 0x8009 // GL_BLEND_EQUATION +#define RL_BLEND_EQUATION_RGB 0x8009 // GL_BLEND_EQUATION_RGB // (Same as BLEND_EQUATION) +#define RL_BLEND_EQUATION_ALPHA 0x883D // GL_BLEND_EQUATION_ALPHA +#define RL_BLEND_DST_RGB 0x80C8 // GL_BLEND_DST_RGB +#define RL_BLEND_SRC_RGB 0x80C9 // GL_BLEND_SRC_RGB +#define RL_BLEND_DST_ALPHA 0x80CA // GL_BLEND_DST_ALPHA +#define RL_BLEND_SRC_ALPHA 0x80CB // GL_BLEND_SRC_ALPHA +#define RL_BLEND_COLOR 0x8005 // GL_BLEND_COLOR + + //---------------------------------------------------------------------------------- // Types and Structures Definition //---------------------------------------------------------------------------------- -typedef enum { - OPENGL_11 = 1, - OPENGL_21, - OPENGL_33, - OPENGL_43, - OPENGL_ES_20 -} rlGlVersion; - -typedef enum { - RL_ATTACHMENT_COLOR_CHANNEL0 = 0, - RL_ATTACHMENT_COLOR_CHANNEL1, - RL_ATTACHMENT_COLOR_CHANNEL2, - RL_ATTACHMENT_COLOR_CHANNEL3, - RL_ATTACHMENT_COLOR_CHANNEL4, - RL_ATTACHMENT_COLOR_CHANNEL5, - RL_ATTACHMENT_COLOR_CHANNEL6, - RL_ATTACHMENT_COLOR_CHANNEL7, - RL_ATTACHMENT_DEPTH = 100, - RL_ATTACHMENT_STENCIL = 200, -} rlFramebufferAttachType; +#if (defined(__STDC__) && __STDC_VERSION__ >= 199901L) || (defined(_MSC_VER) && _MSC_VER >= 1800) + #include <stdbool.h> +#elif !defined(__cplusplus) && !defined(bool) && !defined(RL_BOOL_TYPE) + // Boolean type +typedef enum bool { false = 0, true = !false } bool; +#endif -typedef enum { - RL_ATTACHMENT_CUBEMAP_POSITIVE_X = 0, - RL_ATTACHMENT_CUBEMAP_NEGATIVE_X, - RL_ATTACHMENT_CUBEMAP_POSITIVE_Y, - RL_ATTACHMENT_CUBEMAP_NEGATIVE_Y, - RL_ATTACHMENT_CUBEMAP_POSITIVE_Z, - RL_ATTACHMENT_CUBEMAP_NEGATIVE_Z, - RL_ATTACHMENT_TEXTURE2D = 100, - RL_ATTACHMENT_RENDERBUFFER = 200, -} rlFramebufferAttachTextureType; +#if !defined(RL_MATRIX_TYPE) +// Matrix, 4x4 components, column major, OpenGL style, right handed +typedef struct Matrix { + float m0, m4, m8, m12; // Matrix first row (4 components) + float m1, m5, m9, m13; // Matrix second row (4 components) + float m2, m6, m10, m14; // Matrix third row (4 components) + float m3, m7, m11, m15; // Matrix fourth row (4 components) +} Matrix; +#define RL_MATRIX_TYPE +#endif // Dynamic vertex buffers (position + texcoords + colors + indices arrays) typedef struct rlVertexBuffer { @@ -343,8 +362,8 @@ typedef struct rlDrawCall { //unsigned int shaderId; // Shader id to be used on the draw -> Using RLGL.currentShaderId unsigned int textureId; // Texture id to be used on the draw -> Use to create new draw call if changes - //Matrix projection; // Projection matrix for this draw -> Using RLGL.projection by default - //Matrix modelview; // Modelview matrix for this draw -> Using RLGL.modelview by default + //Matrix projection; // Projection matrix for this draw -> Using RLGL.projection by default + //Matrix modelview; // Modelview matrix for this draw -> Using RLGL.modelview by default } rlDrawCall; // rlRenderBatch type @@ -358,38 +377,30 @@ typedef struct rlRenderBatch { float currentDepth; // Current depth value for next draw } rlRenderBatch; -#if (defined(__STDC__) && __STDC_VERSION__ >= 199901L) || (defined(_MSC_VER) && _MSC_VER >= 1800) - #include <stdbool.h> -#elif !defined(__cplusplus) && !defined(bool) && !defined(RL_BOOL_TYPE) - // Boolean type -typedef enum bool { false = 0, true = !false } bool; -#endif - -#if !defined(RL_MATRIX_TYPE) -// Matrix, 4x4 components, column major, OpenGL style, right handed -typedef struct Matrix { - float m0, m4, m8, m12; // Matrix first row (4 components) - float m1, m5, m9, m13; // Matrix second row (4 components) - float m2, m6, m10, m14; // Matrix third row (4 components) - float m3, m7, m11, m15; // Matrix fourth row (4 components) -} Matrix; -#define RL_MATRIX_TYPE -#endif +// OpenGL version +typedef enum { + RL_OPENGL_11 = 1, // OpenGL 1.1 + RL_OPENGL_21, // OpenGL 2.1 (GLSL 120) + RL_OPENGL_33, // OpenGL 3.3 (GLSL 330) + RL_OPENGL_43, // OpenGL 4.3 (using GLSL 330) + RL_OPENGL_ES_20 // OpenGL ES 2.0 (GLSL 100) +} rlGlVersion; // Trace log level // NOTE: Organized by priority level typedef enum { - RL_LOG_ALL = 0, // Display all logs - RL_LOG_TRACE, // Trace logging, intended for internal use only - RL_LOG_DEBUG, // Debug logging, used for internal debugging, it should be disabled on release builds - RL_LOG_INFO, // Info logging, used for program execution info - RL_LOG_WARNING, // Warning logging, used on recoverable failures - RL_LOG_ERROR, // Error logging, used on unrecoverable failures - RL_LOG_FATAL, // Fatal logging, used to abort program: exit(EXIT_FAILURE) - RL_LOG_NONE // Disable logging + RL_LOG_ALL = 0, // Display all logs + RL_LOG_TRACE, // Trace logging, intended for internal use only + RL_LOG_DEBUG, // Debug logging, used for internal debugging, it should be disabled on release builds + RL_LOG_INFO, // Info logging, used for program execution info + RL_LOG_WARNING, // Warning logging, used on recoverable failures + RL_LOG_ERROR, // Error logging, used on unrecoverable failures + RL_LOG_FATAL, // Fatal logging, used to abort program: exit(EXIT_FAILURE) + RL_LOG_NONE // Disable logging } rlTraceLogLevel; -// Texture formats (support depends on OpenGL version) +// Texture pixel formats +// NOTE: Support depends on OpenGL version typedef enum { RL_PIXELFORMAT_UNCOMPRESSED_GRAYSCALE = 1, // 8 bit per pixel (no alpha) RL_PIXELFORMAT_UNCOMPRESSED_GRAY_ALPHA, // 8*2 bpp (2 channels) @@ -418,79 +429,113 @@ typedef enum { // NOTE 1: Filtering considers mipmaps if available in the texture // NOTE 2: Filter is accordingly set for minification and magnification typedef enum { - RL_TEXTURE_FILTER_POINT = 0, // No filter, just pixel approximation - RL_TEXTURE_FILTER_BILINEAR, // Linear filtering - RL_TEXTURE_FILTER_TRILINEAR, // Trilinear filtering (linear with mipmaps) - RL_TEXTURE_FILTER_ANISOTROPIC_4X, // Anisotropic filtering 4x - RL_TEXTURE_FILTER_ANISOTROPIC_8X, // Anisotropic filtering 8x - RL_TEXTURE_FILTER_ANISOTROPIC_16X, // Anisotropic filtering 16x + RL_TEXTURE_FILTER_POINT = 0, // No filter, just pixel approximation + RL_TEXTURE_FILTER_BILINEAR, // Linear filtering + RL_TEXTURE_FILTER_TRILINEAR, // Trilinear filtering (linear with mipmaps) + RL_TEXTURE_FILTER_ANISOTROPIC_4X, // Anisotropic filtering 4x + RL_TEXTURE_FILTER_ANISOTROPIC_8X, // Anisotropic filtering 8x + RL_TEXTURE_FILTER_ANISOTROPIC_16X, // Anisotropic filtering 16x } rlTextureFilter; // Color blending modes (pre-defined) typedef enum { - RL_BLEND_ALPHA = 0, // Blend textures considering alpha (default) - RL_BLEND_ADDITIVE, // Blend textures adding colors - RL_BLEND_MULTIPLIED, // Blend textures multiplying colors - RL_BLEND_ADD_COLORS, // Blend textures adding colors (alternative) - RL_BLEND_SUBTRACT_COLORS, // Blend textures subtracting colors (alternative) - RL_BLEND_ALPHA_PREMULTIPLY, // Blend premultiplied textures considering alpha - RL_BLEND_CUSTOM // Blend textures using custom src/dst factors (use rlSetBlendFactors()) + RL_BLEND_ALPHA = 0, // Blend textures considering alpha (default) + RL_BLEND_ADDITIVE, // Blend textures adding colors + RL_BLEND_MULTIPLIED, // Blend textures multiplying colors + RL_BLEND_ADD_COLORS, // Blend textures adding colors (alternative) + RL_BLEND_SUBTRACT_COLORS, // Blend textures subtracting colors (alternative) + RL_BLEND_ALPHA_PREMULTIPLY, // Blend premultiplied textures considering alpha + RL_BLEND_CUSTOM, // Blend textures using custom src/dst factors (use rlSetBlendFactors()) + RL_BLEND_CUSTOM_SEPARATE // Blend textures using custom src/dst factors (use rlSetBlendFactorsSeparate()) } rlBlendMode; // Shader location point type typedef enum { - RL_SHADER_LOC_VERTEX_POSITION = 0, // Shader location: vertex attribute: position - RL_SHADER_LOC_VERTEX_TEXCOORD01, // Shader location: vertex attribute: texcoord01 - RL_SHADER_LOC_VERTEX_TEXCOORD02, // Shader location: vertex attribute: texcoord02 - RL_SHADER_LOC_VERTEX_NORMAL, // Shader location: vertex attribute: normal - RL_SHADER_LOC_VERTEX_TANGENT, // Shader location: vertex attribute: tangent - RL_SHADER_LOC_VERTEX_COLOR, // Shader location: vertex attribute: color - RL_SHADER_LOC_MATRIX_MVP, // Shader location: matrix uniform: model-view-projection - RL_SHADER_LOC_MATRIX_VIEW, // Shader location: matrix uniform: view (camera transform) - RL_SHADER_LOC_MATRIX_PROJECTION, // Shader location: matrix uniform: projection - RL_SHADER_LOC_MATRIX_MODEL, // Shader location: matrix uniform: model (transform) - RL_SHADER_LOC_MATRIX_NORMAL, // Shader location: matrix uniform: normal - RL_SHADER_LOC_VECTOR_VIEW, // Shader location: vector uniform: view - RL_SHADER_LOC_COLOR_DIFFUSE, // Shader location: vector uniform: diffuse color - RL_SHADER_LOC_COLOR_SPECULAR, // Shader location: vector uniform: specular color - RL_SHADER_LOC_COLOR_AMBIENT, // Shader location: vector uniform: ambient color - RL_SHADER_LOC_MAP_ALBEDO, // Shader location: sampler2d texture: albedo (same as: RL_SHADER_LOC_MAP_DIFFUSE) - RL_SHADER_LOC_MAP_METALNESS, // Shader location: sampler2d texture: metalness (same as: RL_SHADER_LOC_MAP_SPECULAR) - RL_SHADER_LOC_MAP_NORMAL, // Shader location: sampler2d texture: normal - RL_SHADER_LOC_MAP_ROUGHNESS, // Shader location: sampler2d texture: roughness - RL_SHADER_LOC_MAP_OCCLUSION, // Shader location: sampler2d texture: occlusion - RL_SHADER_LOC_MAP_EMISSION, // Shader location: sampler2d texture: emission - RL_SHADER_LOC_MAP_HEIGHT, // Shader location: sampler2d texture: height - RL_SHADER_LOC_MAP_CUBEMAP, // Shader location: samplerCube texture: cubemap - RL_SHADER_LOC_MAP_IRRADIANCE, // Shader location: samplerCube texture: irradiance - RL_SHADER_LOC_MAP_PREFILTER, // Shader location: samplerCube texture: prefilter - RL_SHADER_LOC_MAP_BRDF // Shader location: sampler2d texture: brdf + RL_SHADER_LOC_VERTEX_POSITION = 0, // Shader location: vertex attribute: position + RL_SHADER_LOC_VERTEX_TEXCOORD01, // Shader location: vertex attribute: texcoord01 + RL_SHADER_LOC_VERTEX_TEXCOORD02, // Shader location: vertex attribute: texcoord02 + RL_SHADER_LOC_VERTEX_NORMAL, // Shader location: vertex attribute: normal + RL_SHADER_LOC_VERTEX_TANGENT, // Shader location: vertex attribute: tangent + RL_SHADER_LOC_VERTEX_COLOR, // Shader location: vertex attribute: color + RL_SHADER_LOC_MATRIX_MVP, // Shader location: matrix uniform: model-view-projection + RL_SHADER_LOC_MATRIX_VIEW, // Shader location: matrix uniform: view (camera transform) + RL_SHADER_LOC_MATRIX_PROJECTION, // Shader location: matrix uniform: projection + RL_SHADER_LOC_MATRIX_MODEL, // Shader location: matrix uniform: model (transform) + RL_SHADER_LOC_MATRIX_NORMAL, // Shader location: matrix uniform: normal + RL_SHADER_LOC_VECTOR_VIEW, // Shader location: vector uniform: view + RL_SHADER_LOC_COLOR_DIFFUSE, // Shader location: vector uniform: diffuse color + RL_SHADER_LOC_COLOR_SPECULAR, // Shader location: vector uniform: specular color + RL_SHADER_LOC_COLOR_AMBIENT, // Shader location: vector uniform: ambient color + RL_SHADER_LOC_MAP_ALBEDO, // Shader location: sampler2d texture: albedo (same as: RL_SHADER_LOC_MAP_DIFFUSE) + RL_SHADER_LOC_MAP_METALNESS, // Shader location: sampler2d texture: metalness (same as: RL_SHADER_LOC_MAP_SPECULAR) + RL_SHADER_LOC_MAP_NORMAL, // Shader location: sampler2d texture: normal + RL_SHADER_LOC_MAP_ROUGHNESS, // Shader location: sampler2d texture: roughness + RL_SHADER_LOC_MAP_OCCLUSION, // Shader location: sampler2d texture: occlusion + RL_SHADER_LOC_MAP_EMISSION, // Shader location: sampler2d texture: emission + RL_SHADER_LOC_MAP_HEIGHT, // Shader location: sampler2d texture: height + RL_SHADER_LOC_MAP_CUBEMAP, // Shader location: samplerCube texture: cubemap + RL_SHADER_LOC_MAP_IRRADIANCE, // Shader location: samplerCube texture: irradiance + RL_SHADER_LOC_MAP_PREFILTER, // Shader location: samplerCube texture: prefilter + RL_SHADER_LOC_MAP_BRDF // Shader location: sampler2d texture: brdf } rlShaderLocationIndex; -#define RL_SHADER_LOC_MAP_DIFFUSE RL_SHADER_LOC_MAP_ALBEDO -#define RL_SHADER_LOC_MAP_SPECULAR RL_SHADER_LOC_MAP_METALNESS +#define RL_SHADER_LOC_MAP_DIFFUSE RL_SHADER_LOC_MAP_ALBEDO +#define RL_SHADER_LOC_MAP_SPECULAR RL_SHADER_LOC_MAP_METALNESS // Shader uniform data type typedef enum { - RL_SHADER_UNIFORM_FLOAT = 0, // Shader uniform type: float - RL_SHADER_UNIFORM_VEC2, // Shader uniform type: vec2 (2 float) - RL_SHADER_UNIFORM_VEC3, // Shader uniform type: vec3 (3 float) - RL_SHADER_UNIFORM_VEC4, // Shader uniform type: vec4 (4 float) - RL_SHADER_UNIFORM_INT, // Shader uniform type: int - RL_SHADER_UNIFORM_IVEC2, // Shader uniform type: ivec2 (2 int) - RL_SHADER_UNIFORM_IVEC3, // Shader uniform type: ivec3 (3 int) - RL_SHADER_UNIFORM_IVEC4, // Shader uniform type: ivec4 (4 int) - RL_SHADER_UNIFORM_SAMPLER2D // Shader uniform type: sampler2d + RL_SHADER_UNIFORM_FLOAT = 0, // Shader uniform type: float + RL_SHADER_UNIFORM_VEC2, // Shader uniform type: vec2 (2 float) + RL_SHADER_UNIFORM_VEC3, // Shader uniform type: vec3 (3 float) + RL_SHADER_UNIFORM_VEC4, // Shader uniform type: vec4 (4 float) + RL_SHADER_UNIFORM_INT, // Shader uniform type: int + RL_SHADER_UNIFORM_IVEC2, // Shader uniform type: ivec2 (2 int) + RL_SHADER_UNIFORM_IVEC3, // Shader uniform type: ivec3 (3 int) + RL_SHADER_UNIFORM_IVEC4, // Shader uniform type: ivec4 (4 int) + RL_SHADER_UNIFORM_SAMPLER2D // Shader uniform type: sampler2d } rlShaderUniformDataType; // Shader attribute data types typedef enum { - RL_SHADER_ATTRIB_FLOAT = 0, // Shader attribute type: float - RL_SHADER_ATTRIB_VEC2, // Shader attribute type: vec2 (2 float) - RL_SHADER_ATTRIB_VEC3, // Shader attribute type: vec3 (3 float) - RL_SHADER_ATTRIB_VEC4 // Shader attribute type: vec4 (4 float) + RL_SHADER_ATTRIB_FLOAT = 0, // Shader attribute type: float + RL_SHADER_ATTRIB_VEC2, // Shader attribute type: vec2 (2 float) + RL_SHADER_ATTRIB_VEC3, // Shader attribute type: vec3 (3 float) + RL_SHADER_ATTRIB_VEC4 // Shader attribute type: vec4 (4 float) } rlShaderAttributeDataType; +// Framebuffer attachment type +// NOTE: By default up to 8 color channels defined, but it can be more +typedef enum { + RL_ATTACHMENT_COLOR_CHANNEL0 = 0, // Framebuffer attachment type: color 0 + RL_ATTACHMENT_COLOR_CHANNEL1, // Framebuffer attachment type: color 1 + RL_ATTACHMENT_COLOR_CHANNEL2, // Framebuffer attachment type: color 2 + RL_ATTACHMENT_COLOR_CHANNEL3, // Framebuffer attachment type: color 3 + RL_ATTACHMENT_COLOR_CHANNEL4, // Framebuffer attachment type: color 4 + RL_ATTACHMENT_COLOR_CHANNEL5, // Framebuffer attachment type: color 5 + RL_ATTACHMENT_COLOR_CHANNEL6, // Framebuffer attachment type: color 6 + RL_ATTACHMENT_COLOR_CHANNEL7, // Framebuffer attachment type: color 7 + RL_ATTACHMENT_DEPTH = 100, // Framebuffer attachment type: depth + RL_ATTACHMENT_STENCIL = 200, // Framebuffer attachment type: stencil +} rlFramebufferAttachType; + +// Framebuffer texture attachment type +typedef enum { + RL_ATTACHMENT_CUBEMAP_POSITIVE_X = 0, // Framebuffer texture attachment type: cubemap, +X side + RL_ATTACHMENT_CUBEMAP_NEGATIVE_X, // Framebuffer texture attachment type: cubemap, -X side + RL_ATTACHMENT_CUBEMAP_POSITIVE_Y, // Framebuffer texture attachment type: cubemap, +Y side + RL_ATTACHMENT_CUBEMAP_NEGATIVE_Y, // Framebuffer texture attachment type: cubemap, -Y side + RL_ATTACHMENT_CUBEMAP_POSITIVE_Z, // Framebuffer texture attachment type: cubemap, +Z side + RL_ATTACHMENT_CUBEMAP_NEGATIVE_Z, // Framebuffer texture attachment type: cubemap, -Z side + RL_ATTACHMENT_TEXTURE2D = 100, // Framebuffer texture attachment type: texture2d + RL_ATTACHMENT_RENDERBUFFER = 200, // Framebuffer texture attachment type: renderbuffer +} rlFramebufferAttachTextureType; + +// Face culling mode +typedef enum { + RL_CULL_FACE_FRONT = 0, + RL_CULL_FACE_BACK +} rlCullMode; + //------------------------------------------------------------------------------------ // Functions Declaration - Matrix operations //------------------------------------------------------------------------------------ @@ -501,12 +546,12 @@ extern "C" { // Prevents name mangling of functions RLAPI void rlMatrixMode(int mode); // Choose the current matrix to be transformed RLAPI void rlPushMatrix(void); // Push the current matrix to stack -RLAPI void rlPopMatrix(void); // Pop lattest inserted matrix from stack +RLAPI void rlPopMatrix(void); // Pop latest inserted matrix from stack RLAPI void rlLoadIdentity(void); // Reset current matrix to identity matrix RLAPI void rlTranslatef(float x, float y, float z); // Multiply the current matrix by a translation matrix RLAPI void rlRotatef(float angle, float x, float y, float z); // Multiply the current matrix by a rotation matrix RLAPI void rlScalef(float x, float y, float z); // Multiply the current matrix by a scaling matrix -RLAPI void rlMultMatrixf(float *matf); // Multiply the current matrix by another matrix +RLAPI void rlMultMatrixf(const float *matf); // Multiply the current matrix by another matrix RLAPI void rlFrustum(double left, double right, double bottom, double top, double znear, double zfar); RLAPI void rlOrtho(double left, double right, double bottom, double top, double znear, double zfar); RLAPI void rlViewport(int x, int y, int width, int height); // Set the viewport area @@ -552,6 +597,7 @@ RLAPI void rlDisableTexture(void); // Disable texture RLAPI void rlEnableTextureCubemap(unsigned int id); // Enable texture cubemap RLAPI void rlDisableTextureCubemap(void); // Disable texture cubemap RLAPI void rlTextureParameters(unsigned int id, int param, int value); // Set texture parameters (filter, wrap) +RLAPI void rlCubemapParameters(unsigned int id, int param, int value); // Set cubemap parameters (filter, wrap) // Shader state RLAPI void rlEnableShader(unsigned int id); // Enable shader program @@ -571,6 +617,7 @@ RLAPI void rlEnableDepthMask(void); // Enable depth write RLAPI void rlDisableDepthMask(void); // Disable depth write RLAPI void rlEnableBackfaceCulling(void); // Enable backface culling RLAPI void rlDisableBackfaceCulling(void); // Disable backface culling +RLAPI void rlSetCullFace(int mode); // Set face culling mode RLAPI void rlEnableScissorTest(void); // Enable scissor test RLAPI void rlDisableScissorTest(void); // Disable scissor test RLAPI void rlScissor(int x, int y, int width, int height); // Scissor test @@ -589,23 +636,24 @@ RLAPI void rlClearScreenBuffers(void); // Clear used screen buf RLAPI void rlCheckErrors(void); // Check and log OpenGL error codes RLAPI void rlSetBlendMode(int mode); // Set blending mode RLAPI void rlSetBlendFactors(int glSrcFactor, int glDstFactor, int glEquation); // Set blending mode factor and equation (using OpenGL factors) +RLAPI void rlSetBlendFactorsSeparate(int glSrcRGB, int glDstRGB, int glSrcAlpha, int glDstAlpha, int glEqRGB, int glEqAlpha); // Set blending mode factors and equations separately (using OpenGL factors) //------------------------------------------------------------------------------------ // Functions Declaration - rlgl functionality //------------------------------------------------------------------------------------ // rlgl initialization functions -RLAPI void rlglInit(int width, int height); // Initialize rlgl (buffers, shaders, textures, states) -RLAPI void rlglClose(void); // De-inititialize rlgl (buffers, shaders, textures) -RLAPI void rlLoadExtensions(void *loader); // Load OpenGL extensions (loader function required) -RLAPI int rlGetVersion(void); // Get current OpenGL version -RLAPI void rlSetFramebufferWidth(int width); // Set current framebuffer width -RLAPI int rlGetFramebufferWidth(void); // Get default framebuffer width -RLAPI void rlSetFramebufferHeight(int height); // Set current framebuffer height -RLAPI int rlGetFramebufferHeight(void); // Get default framebuffer height - -RLAPI unsigned int rlGetTextureIdDefault(void); // Get default texture id -RLAPI unsigned int rlGetShaderIdDefault(void); // Get default shader id -RLAPI int *rlGetShaderLocsDefault(void); // Get default shader locations +RLAPI void rlglInit(int width, int height); // Initialize rlgl (buffers, shaders, textures, states) +RLAPI void rlglClose(void); // De-initialize rlgl (buffers, shaders, textures) +RLAPI void rlLoadExtensions(void *loader); // Load OpenGL extensions (loader function required) +RLAPI int rlGetVersion(void); // Get current OpenGL version +RLAPI void rlSetFramebufferWidth(int width); // Set current framebuffer width +RLAPI int rlGetFramebufferWidth(void); // Get default framebuffer width +RLAPI void rlSetFramebufferHeight(int height); // Set current framebuffer height +RLAPI int rlGetFramebufferHeight(void); // Get default framebuffer height + +RLAPI unsigned int rlGetTextureIdDefault(void); // Get default texture id +RLAPI unsigned int rlGetShaderIdDefault(void); // Get default shader id +RLAPI int *rlGetShaderLocsDefault(void); // Get default shader locations // Render batch management // NOTE: rlgl provides a default render batch to behave like OpenGL 1.1 immediate mode @@ -616,7 +664,8 @@ RLAPI void rlDrawRenderBatch(rlRenderBatch *batch); // D RLAPI void rlSetRenderBatchActive(rlRenderBatch *batch); // Set the active render batch for rlgl (NULL for default internal) RLAPI void rlDrawRenderBatchActive(void); // Update and draw internal render batch RLAPI bool rlCheckRenderBatchLimit(int vCount); // Check internal buffer overflow for a given number of vertex -RLAPI void rlSetTexture(unsigned int id); // Set current texture for render batch and check buffers limits + +RLAPI void rlSetTexture(unsigned int id); // Set current texture for render batch and check buffers limits //------------------------------------------------------------------------------------------------------------------------ @@ -668,19 +717,19 @@ RLAPI void rlSetShader(unsigned int id, int *locs); // Compute shader management RLAPI unsigned int rlLoadComputeShaderProgram(unsigned int shaderId); // Load compute shader program -RLAPI void rlComputeShaderDispatch(unsigned int groupX, unsigned int groupY, unsigned int groupZ); // Dispatch compute shader (equivalent to *draw* for graphics pilepine) +RLAPI void rlComputeShaderDispatch(unsigned int groupX, unsigned int groupY, unsigned int groupZ); // Dispatch compute shader (equivalent to *draw* for graphics pipeline) // Shader buffer storage object management (ssbo) -RLAPI unsigned int rlLoadShaderBuffer(unsigned long long size, const void *data, int usageHint); // Load shader storage buffer object (SSBO) +RLAPI unsigned int rlLoadShaderBuffer(unsigned int size, const void *data, int usageHint); // Load shader storage buffer object (SSBO) RLAPI void rlUnloadShaderBuffer(unsigned int ssboId); // Unload shader storage buffer object (SSBO) -RLAPI void rlUpdateShaderBufferElements(unsigned int id, const void *data, unsigned long long dataSize, unsigned long long offset); // Update SSBO buffer data -RLAPI unsigned long long rlGetShaderBufferSize(unsigned int id); // Get SSBO buffer size -RLAPI void rlReadShaderBufferElements(unsigned int id, void *dest, unsigned long long count, unsigned long long offset); // Bind SSBO buffer -RLAPI void rlBindShaderBuffer(unsigned int id, unsigned int index); // Copy SSBO buffer data +RLAPI void rlUpdateShaderBuffer(unsigned int id, const void *data, unsigned int dataSize, unsigned int offset); // Update SSBO buffer data +RLAPI void rlBindShaderBuffer(unsigned int id, unsigned int index); // Bind SSBO buffer +RLAPI void rlReadShaderBuffer(unsigned int id, void *dest, unsigned int count, unsigned int offset); // Read SSBO buffer data (GPU->CPU) +RLAPI void rlCopyShaderBuffer(unsigned int destId, unsigned int srcId, unsigned int destOffset, unsigned int srcOffset, unsigned int count); // Copy SSBO data between buffers +RLAPI unsigned int rlGetShaderBufferSize(unsigned int id); // Get SSBO buffer size // Buffer management -RLAPI void rlCopyBuffersElements(unsigned int destId, unsigned int srcId, unsigned long long destOffset, unsigned long long srcOffset, unsigned long long count); // Copy SSBO buffer data -RLAPI void rlBindImageTexture(unsigned int id, unsigned int index, unsigned int format, int readonly); // Bind image texture +RLAPI void rlBindImageTexture(unsigned int id, unsigned int index, int format, bool readonly); // Bind image texture // Matrix state management RLAPI Matrix rlGetMatrixModelview(void); // Get internal modelview matrix @@ -734,23 +783,25 @@ RLAPI void rlLoadDrawQuad(void); // Load and draw a quad #endif #if defined(GRAPHICS_API_OPENGL_33) - #if defined(__APPLE__) - #include <OpenGL/gl3.h> // OpenGL 3 library for OSX - #include <OpenGL/gl3ext.h> // OpenGL 3 extensions library for OSX - #else - #define GLAD_MALLOC RL_MALLOC - #define GLAD_FREE RL_FREE + #define GLAD_MALLOC RL_MALLOC + #define GLAD_FREE RL_FREE - #define GLAD_GL_IMPLEMENTATION - #include "external/glad.h" // GLAD extensions loading library, includes OpenGL headers - #endif + #define GLAD_GL_IMPLEMENTATION + #include "external/glad.h" // GLAD extensions loading library, includes OpenGL headers #endif #if defined(GRAPHICS_API_OPENGL_ES2) - #define GL_GLEXT_PROTOTYPES - //#include <EGL/egl.h> // EGL library -> not required, platform layer - #include <GLES2/gl2.h> // OpenGL ES 2.0 library - #include <GLES2/gl2ext.h> // OpenGL ES 2.0 extensions library + // NOTE: OpenGL ES 2.0 can be enabled on PLATFORM_DESKTOP, + // in that case, functions are loaded from a custom glad for OpenGL ES 2.0 + #if defined(PLATFORM_DESKTOP) + #define GLAD_GLES2_IMPLEMENTATION + #include "external/glad_gles2.h" + #else + #define GL_GLEXT_PROTOTYPES + //#include <EGL/egl.h> // EGL library -> not required, platform layer + #include <GLES2/gl2.h> // OpenGL ES 2.0 library + #include <GLES2/gl2ext.h> // OpenGL ES 2.0 extensions library + #endif // It seems OpenGL ES 2.0 instancing entry points are not defined on Raspberry Pi // provided headers (despite being defined in official Khronos GLES2 headers) @@ -842,22 +893,22 @@ RLAPI void rlLoadDrawQuad(void); // Load and draw a quad // Default shader vertex attribute names to set location points #ifndef RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION - #define RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION "vertexPosition" // Binded by default to shader location: 0 + #define RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION "vertexPosition" // Bound by default to shader location: 0 #endif #ifndef RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD - #define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD "vertexTexCoord" // Binded by default to shader location: 1 + #define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD "vertexTexCoord" // Bound by default to shader location: 1 #endif #ifndef RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL - #define RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL "vertexNormal" // Binded by default to shader location: 2 + #define RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL "vertexNormal" // Bound by default to shader location: 2 #endif #ifndef RL_DEFAULT_SHADER_ATTRIB_NAME_COLOR - #define RL_DEFAULT_SHADER_ATTRIB_NAME_COLOR "vertexColor" // Binded by default to shader location: 3 + #define RL_DEFAULT_SHADER_ATTRIB_NAME_COLOR "vertexColor" // Bound by default to shader location: 3 #endif #ifndef RL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT - #define RL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT "vertexTangent" // Binded by default to shader location: 4 + #define RL_DEFAULT_SHADER_ATTRIB_NAME_TANGENT "vertexTangent" // Bound by default to shader location: 4 #endif #ifndef RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2 - #define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2 "vertexTexCoord2" // Binded by default to shader location: 5 + #define RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD2 "vertexTexCoord2" // Bound by default to shader location: 5 #endif #ifndef RL_DEFAULT_SHADER_UNIFORM_NAME_MVP @@ -924,10 +975,18 @@ typedef struct rlglData { Matrix projectionStereo[2]; // VR stereo rendering eyes projection matrices Matrix viewOffsetStereo[2]; // VR stereo rendering eyes view offset matrices + // Blending variables int currentBlendMode; // Blending mode active int glBlendSrcFactor; // Blending source factor int glBlendDstFactor; // Blending destination factor int glBlendEquation; // Blending equation + int glBlendSrcFactorRGB; // Blending source RGB factor + int glBlendDestFactorRGB; // Blending destination RGB factor + int glBlendSrcFactorAlpha; // Blending source alpha factor + int glBlendDestFactorAlpha; // Blending destination alpha factor + int glBlendEquationRGB; // Blending equation for RGB + int glBlendEquationAlpha; // Blending equation for alpha + bool glCustomBlendModeModified; // Custom blending factor and equation modification status int framebufferWidth; // Current framebuffer width int framebufferHeight; // Current framebuffer height @@ -937,7 +996,8 @@ typedef struct rlglData { bool vao; // VAO support (OpenGL ES2 could not support VAO extension) (GL_ARB_vertex_array_object) bool instancing; // Instancing supported (GL_ANGLE_instanced_arrays, GL_EXT_draw_instanced + GL_EXT_instanced_arrays) bool texNPOT; // NPOT textures full support (GL_ARB_texture_non_power_of_two, GL_OES_texture_npot) - bool texDepth; // Depth textures supported (GL_ARB_depth_texture, GL_WEBGL_depth_texture, GL_OES_depth_texture) + bool texDepth; // Depth textures supported (GL_ARB_depth_texture, GL_OES_depth_texture) + bool texDepthWebGL; // Depth textures supported WebGL specific (GL_WEBGL_depth_texture) bool texFloat32; // float textures support (32 bit per channel) (GL_OES_texture_float) bool texCompDXT; // DDS texture compression support (GL_EXT_texture_compression_s3tc, GL_WEBGL_compressed_texture_s3tc, GL_WEBKIT_WEBGL_compressed_texture_s3tc) bool texCompETC1; // ETC1 texture compression support (GL_OES_compressed_ETC1_RGB8_texture, GL_WEBGL_compressed_texture_etc1) @@ -988,14 +1048,12 @@ static void rlUnloadShaderDefault(void); // Unload default shader static char *rlGetCompressedFormatName(int format); // Get compressed format official GL identifier name #endif // RLGL_SHOW_GL_DETAILS_INFO #endif // GRAPHICS_API_OPENGL_33 || GRAPHICS_API_OPENGL_ES2 -#if defined(GRAPHICS_API_OPENGL_11) -static int rlGenTextureMipmapsData(unsigned char *data, int baseWidth, int baseHeight); // Generate mipmaps data on CPU side -static unsigned char *rlGenNextMipmapData(unsigned char *srcData, int srcWidth, int srcHeight); // Generate next mipmap level on CPU side -#endif + static int rlGetPixelDataSize(int width, int height, int format); // Get pixel data size in bytes (image or texture) + // Auxiliar matrix math functions -static Matrix rlMatrixIdentity(void); // Get identity matrix -static Matrix rlMatrixMultiply(Matrix left, Matrix right); // Multiply two matrices +static Matrix rlMatrixIdentity(void); // Get identity matrix +static Matrix rlMatrixMultiply(Matrix left, Matrix right); // Multiply two matrices //---------------------------------------------------------------------------------- // Module Functions Definition - Matrix operations @@ -1031,7 +1089,7 @@ void rlLoadIdentity(void) { glLoadIdentity(); } void rlTranslatef(float x, float y, float z) { glTranslatef(x, y, z); } void rlRotatef(float angle, float x, float y, float z) { glRotatef(angle, x, y, z); } void rlScalef(float x, float y, float z) { glScalef(x, y, z); } -void rlMultMatrixf(float *matf) { glMultMatrixf(matf); } +void rlMultMatrixf(const float *matf) { glMultMatrixf(matf); } #endif #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) // Choose the current matrix to be transformed @@ -1156,7 +1214,7 @@ void rlScalef(float x, float y, float z) } // Multiply the current matrix by another matrix -void rlMultMatrixf(float *matf) +void rlMultMatrixf(const float *matf) { // Matrix creation from array Matrix mat = { matf[0], matf[4], matf[8], matf[12], @@ -1306,17 +1364,6 @@ void rlEnd(void) // as well as depth buffer bit-depth (16bit or 24bit or 32bit) // Correct increment formula would be: depthInc = (zfar - znear)/pow(2, bits) RLGL.currentBatch->currentDepth += (1.0f/20000.0f); - - // Verify internal buffers limits - // NOTE: This check is combined with usage of rlCheckRenderBatchLimit() - if (RLGL.State.vertexCounter >= (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].elementCount*4 - 4)) - { - // WARNING: If we are between rlPushMatrix() and rlPopMatrix() and we need to force a rlDrawRenderBatch(), - // we need to call rlPopMatrix() before to recover *RLGL.State.currentMatrix (RLGL.State.modelview) for the next forced draw call! - // If we have multiple matrix pushed, it will require "RLGL.State.stackCounter" pops before launching the draw - for (int i = RLGL.State.stackCounter; i >= 0; i--) rlPopMatrix(); - rlDrawRenderBatch(RLGL.currentBatch); - } } // Define one vertex (position) @@ -1335,32 +1382,51 @@ void rlVertex3f(float x, float y, float z) tz = RLGL.State.transform.m2*x + RLGL.State.transform.m6*y + RLGL.State.transform.m10*z + RLGL.State.transform.m14; } - // Verify that current vertex buffer elements limit has not been reached - if (RLGL.State.vertexCounter < (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].elementCount*4)) + // WARNING: We can't break primitives when launching a new batch. + // RL_LINES comes in pairs, RL_TRIANGLES come in groups of 3 vertices and RL_QUADS come in groups of 4 vertices. + // We must check current draw.mode when a new vertex is required and finish the batch only if the draw.mode draw.vertexCount is %2, %3 or %4 + if (RLGL.State.vertexCounter > (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].elementCount*4 - 4)) { - // Add vertices - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vertices[3*RLGL.State.vertexCounter] = tx; - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vertices[3*RLGL.State.vertexCounter + 1] = ty; - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vertices[3*RLGL.State.vertexCounter + 2] = tz; + if ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_LINES) && + (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount%2 == 0)) + { + // Reached the maximum number of vertices for RL_LINES drawing + // Launch a draw call but keep current state for next vertices comming + // NOTE: We add +1 vertex to the check for security + rlCheckRenderBatchLimit(2 + 1); + } + else if ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_TRIANGLES) && + (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount%3 == 0)) + { + rlCheckRenderBatchLimit(3 + 1); + } + else if ((RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode == RL_QUADS) && + (RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount%4 == 0)) + { + rlCheckRenderBatchLimit(4 + 1); + } + } - // Add current texcoord - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].texcoords[2*RLGL.State.vertexCounter] = RLGL.State.texcoordx; - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].texcoords[2*RLGL.State.vertexCounter + 1] = RLGL.State.texcoordy; + // Add vertices + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vertices[3*RLGL.State.vertexCounter] = tx; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vertices[3*RLGL.State.vertexCounter + 1] = ty; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].vertices[3*RLGL.State.vertexCounter + 2] = tz; - // TODO: Add current normal - // By default rlVertexBuffer type does not store normals + // Add current texcoord + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].texcoords[2*RLGL.State.vertexCounter] = RLGL.State.texcoordx; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].texcoords[2*RLGL.State.vertexCounter + 1] = RLGL.State.texcoordy; - // Add current color - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.State.vertexCounter] = RLGL.State.colorr; - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.State.vertexCounter + 1] = RLGL.State.colorg; - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.State.vertexCounter + 2] = RLGL.State.colorb; - RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.State.vertexCounter + 3] = RLGL.State.colora; + // TODO: Add current normal + // By default rlVertexBuffer type does not store normals - RLGL.State.vertexCounter++; + // Add current color + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.State.vertexCounter] = RLGL.State.colorr; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.State.vertexCounter + 1] = RLGL.State.colorg; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.State.vertexCounter + 2] = RLGL.State.colorb; + RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].colors[4*RLGL.State.vertexCounter + 3] = RLGL.State.colora; - RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount++; - } - else TRACELOG(RL_LOG_ERROR, "RLGL: Batch elements overflow"); + RLGL.State.vertexCounter++; + RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].vertexCount++; } // Define one vertex (position) @@ -1551,12 +1617,59 @@ void rlTextureParameters(unsigned int id, int param, int value) else TRACELOG(RL_LOG_WARNING, "GL: Anisotropic filtering not supported"); #endif } break; +#if defined(GRAPHICS_API_OPENGL_33) + case RL_TEXTURE_MIPMAP_BIAS_RATIO: glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_LOD_BIAS, value/100.0f); +#endif default: break; } glBindTexture(GL_TEXTURE_2D, 0); } +// Set cubemap parameters (wrap mode/filter mode) +void rlCubemapParameters(unsigned int id, int param, int value) +{ +#if !defined(GRAPHICS_API_OPENGL_11) + glBindTexture(GL_TEXTURE_CUBE_MAP, id); + + // Reset anisotropy filter, in case it was set + glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.0f); + + switch (param) + { + case RL_TEXTURE_WRAP_S: + case RL_TEXTURE_WRAP_T: + { + if (value == RL_TEXTURE_WRAP_MIRROR_CLAMP) + { + if (RLGL.ExtSupported.texMirrorClamp) glTexParameteri(GL_TEXTURE_CUBE_MAP, param, value); + else TRACELOG(RL_LOG_WARNING, "GL: Clamp mirror wrap mode not supported (GL_MIRROR_CLAMP_EXT)"); + } + else glTexParameteri(GL_TEXTURE_CUBE_MAP, param, value); + + } break; + case RL_TEXTURE_MAG_FILTER: + case RL_TEXTURE_MIN_FILTER: glTexParameteri(GL_TEXTURE_CUBE_MAP, param, value); break; + case RL_TEXTURE_FILTER_ANISOTROPIC: + { + if (value <= RLGL.ExtSupported.maxAnisotropyLevel) glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_ANISOTROPY_EXT, (float)value); + else if (RLGL.ExtSupported.maxAnisotropyLevel > 0.0f) + { + TRACELOG(RL_LOG_WARNING, "GL: Maximum anisotropic filter level supported is %iX", id, (int)RLGL.ExtSupported.maxAnisotropyLevel); + glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_ANISOTROPY_EXT, (float)value); + } + else TRACELOG(RL_LOG_WARNING, "GL: Anisotropic filtering not supported"); + } break; +#if defined(GRAPHICS_API_OPENGL_33) + case RL_TEXTURE_MIPMAP_BIAS_RATIO: glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_LOD_BIAS, value/100.0f); +#endif + default: break; + } + + glBindTexture(GL_TEXTURE_CUBE_MAP, 0); +#endif +} + // Enable shader program void rlEnableShader(unsigned int id) { @@ -1650,6 +1763,17 @@ void rlEnableBackfaceCulling(void) { glEnable(GL_CULL_FACE); } // Disable backface culling void rlDisableBackfaceCulling(void) { glDisable(GL_CULL_FACE); } +// Set face culling mode +void rlSetCullFace(int mode) +{ + switch (mode) + { + case RL_CULL_FACE_BACK: glCullFace(GL_BACK); break; + case RL_CULL_FACE_FRONT: glCullFace(GL_FRONT); break; + default: break; + } +} + // Enable scissor test void rlEnableScissorTest(void) { glEnable(GL_SCISSOR_TEST); } @@ -1777,7 +1901,7 @@ void rlCheckErrors() void rlSetBlendMode(int mode) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - if (RLGL.State.currentBlendMode != mode) + if ((RLGL.State.currentBlendMode != mode) || ((mode == RL_BLEND_CUSTOM || mode == RL_BLEND_CUSTOM_SEPARATE) && RLGL.State.glCustomBlendModeModified)) { rlDrawRenderBatch(RLGL.currentBatch); @@ -1793,11 +1917,20 @@ void rlSetBlendMode(int mode) { // NOTE: Using GL blend src/dst factors and GL equation configured with rlSetBlendFactors() glBlendFunc(RLGL.State.glBlendSrcFactor, RLGL.State.glBlendDstFactor); glBlendEquation(RLGL.State.glBlendEquation); + + } break; + case RL_BLEND_CUSTOM_SEPARATE: + { + // NOTE: Using GL blend src/dst factors and GL equation configured with rlSetBlendFactorsSeparate() + glBlendFuncSeparate(RLGL.State.glBlendSrcFactorRGB, RLGL.State.glBlendDestFactorRGB, RLGL.State.glBlendSrcFactorAlpha, RLGL.State.glBlendDestFactorAlpha); + glBlendEquationSeparate(RLGL.State.glBlendEquationRGB, RLGL.State.glBlendEquationAlpha); + } break; default: break; } RLGL.State.currentBlendMode = mode; + RLGL.State.glCustomBlendModeModified = false; } #endif } @@ -1806,9 +1939,39 @@ void rlSetBlendMode(int mode) void rlSetBlendFactors(int glSrcFactor, int glDstFactor, int glEquation) { #if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) - RLGL.State.glBlendSrcFactor = glSrcFactor; - RLGL.State.glBlendDstFactor = glDstFactor; - RLGL.State.glBlendEquation = glEquation; + if ((RLGL.State.glBlendSrcFactor != glSrcFactor) || + (RLGL.State.glBlendDstFactor != glDstFactor) || + (RLGL.State.glBlendEquation != glEquation)) + { + RLGL.State.glBlendSrcFactor = glSrcFactor; + RLGL.State.glBlendDstFactor = glDstFactor; + RLGL.State.glBlendEquation = glEquation; + + RLGL.State.glCustomBlendModeModified = true; + } +#endif +} + +// Set blending mode factor and equation separately for RGB and alpha +void rlSetBlendFactorsSeparate(int glSrcRGB, int glDstRGB, int glSrcAlpha, int glDstAlpha, int glEqRGB, int glEqAlpha) +{ +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) + if ((RLGL.State.glBlendSrcFactorRGB != glSrcRGB) || + (RLGL.State.glBlendDestFactorRGB != glDstRGB) || + (RLGL.State.glBlendSrcFactorAlpha != glSrcAlpha) || + (RLGL.State.glBlendDestFactorAlpha != glDstAlpha) || + (RLGL.State.glBlendEquationRGB != glEqRGB) || + (RLGL.State.glBlendEquationAlpha != glEqAlpha)) + { + RLGL.State.glBlendSrcFactorRGB = glSrcRGB; + RLGL.State.glBlendDestFactorRGB = glDstRGB; + RLGL.State.glBlendSrcFactorAlpha = glSrcAlpha; + RLGL.State.glBlendDestFactorAlpha = glDstAlpha; + RLGL.State.glBlendEquationRGB = glEqRGB; + RLGL.State.glBlendEquationAlpha = glEqAlpha; + + RLGL.State.glCustomBlendModeModified = true; + } #endif } @@ -1983,10 +2146,8 @@ void rlLoadExtensions(void *loader) { #if defined(GRAPHICS_API_OPENGL_33) // Also defined for GRAPHICS_API_OPENGL_21 // NOTE: glad is generated and contains only required OpenGL 3.3 Core extensions (and lower versions) - #if !defined(__APPLE__) - if (gladLoadGL((GLADloadfunc)loader) == 0) TRACELOG(RL_LOG_WARNING, "GLAD: Cannot load OpenGL extensions"); - else TRACELOG(RL_LOG_INFO, "GLAD: OpenGL extensions loaded successfully"); - #endif + if (gladLoadGL((GLADloadfunc)loader) == 0) TRACELOG(RL_LOG_WARNING, "GLAD: Cannot load OpenGL extensions"); + else TRACELOG(RL_LOG_INFO, "GLAD: OpenGL extensions loaded successfully"); // Get number of supported extensions GLint numExt = 0; @@ -2000,6 +2161,18 @@ void rlLoadExtensions(void *loader) for (int i = 0; i < numExt; i++) TRACELOG(RL_LOG_INFO, " %s", glGetStringi(GL_EXTENSIONS, i)); #endif +#if defined(GRAPHICS_API_OPENGL_21) + // Register supported extensions flags + // Optional OpenGL 2.1 extensions + RLGL.ExtSupported.vao = GLAD_GL_ARB_vertex_array_object; + RLGL.ExtSupported.instancing = (GLAD_GL_EXT_draw_instanced && GLAD_GL_ARB_instanced_arrays); + RLGL.ExtSupported.texNPOT = GLAD_GL_ARB_texture_non_power_of_two; + RLGL.ExtSupported.texFloat32 = GLAD_GL_ARB_texture_float; + RLGL.ExtSupported.texDepth = GLAD_GL_ARB_depth_texture; + RLGL.ExtSupported.maxDepthBits = 32; + RLGL.ExtSupported.texAnisoFilter = GLAD_GL_EXT_texture_filter_anisotropic; + RLGL.ExtSupported.texMirrorClamp = GLAD_GL_EXT_texture_mirror_clamp; +#else // Register supported extensions flags // OpenGL 3.3 extensions supported by default (core) RLGL.ExtSupported.vao = true; @@ -2010,18 +2183,26 @@ void rlLoadExtensions(void *loader) RLGL.ExtSupported.maxDepthBits = 32; RLGL.ExtSupported.texAnisoFilter = true; RLGL.ExtSupported.texMirrorClamp = true; +#endif + + // Optional OpenGL 3.3 extensions + RLGL.ExtSupported.texCompASTC = GLAD_GL_KHR_texture_compression_astc_hdr && GLAD_GL_KHR_texture_compression_astc_ldr; + RLGL.ExtSupported.texCompDXT = GLAD_GL_EXT_texture_compression_s3tc; // Texture compression: DXT + RLGL.ExtSupported.texCompETC2 = GLAD_GL_ARB_ES3_compatibility; // Texture compression: ETC2/EAC #if defined(GRAPHICS_API_OPENGL_43) - if (GLAD_GL_ARB_compute_shader) RLGL.ExtSupported.computeShader = true; - if (GLAD_GL_ARB_shader_storage_buffer_object) RLGL.ExtSupported.ssbo = true; - #endif - #if !defined(__APPLE__) - // NOTE: With GLAD, we can check if an extension is supported using the GLAD_GL_xxx booleans - if (GLAD_GL_EXT_texture_compression_s3tc) RLGL.ExtSupported.texCompDXT = true; // Texture compression: DXT - if (GLAD_GL_ARB_ES3_compatibility) RLGL.ExtSupported.texCompETC2 = true; // Texture compression: ETC2/EAC + RLGL.ExtSupported.computeShader = GLAD_GL_ARB_compute_shader; + RLGL.ExtSupported.ssbo = GLAD_GL_ARB_shader_storage_buffer_object; #endif + #endif // GRAPHICS_API_OPENGL_33 #if defined(GRAPHICS_API_OPENGL_ES2) + + #if defined(PLATFORM_DESKTOP) + if (gladLoadGLES2((GLADloadfunc)loader) == 0) TRACELOG(RL_LOG_WARNING, "GLAD: Cannot load OpenGL ES2.0 functions"); + else TRACELOG(RL_LOG_INFO, "GLAD: OpenGL ES2.0 loaded successfully"); + #endif + // Get supported extensions list GLint numExt = 0; const char **extList = RL_MALLOC(512*sizeof(const char *)); // Allocate 512 strings pointers (2 KB) @@ -2097,11 +2278,12 @@ void rlLoadExtensions(void *loader) if (strcmp(extList[i], (const char *)"GL_OES_texture_float") == 0) RLGL.ExtSupported.texFloat32 = true; // Check depth texture support - if ((strcmp(extList[i], (const char *)"GL_OES_depth_texture") == 0) || - (strcmp(extList[i], (const char *)"GL_WEBGL_depth_texture") == 0)) RLGL.ExtSupported.texDepth = true; + if (strcmp(extList[i], (const char *)"GL_OES_depth_texture") == 0) RLGL.ExtSupported.texDepth = true; + if (strcmp(extList[i], (const char *)"GL_WEBGL_depth_texture") == 0) RLGL.ExtSupported.texDepthWebGL = true; // WebGL requires unsized internal format + if (RLGL.ExtSupported.texDepthWebGL) RLGL.ExtSupported.texDepth = true; - if (strcmp(extList[i], (const char *)"GL_OES_depth24") == 0) RLGL.ExtSupported.maxDepthBits = 24; - if (strcmp(extList[i], (const char *)"GL_OES_depth32") == 0) RLGL.ExtSupported.maxDepthBits = 32; + if (strcmp(extList[i], (const char *)"GL_OES_depth24") == 0) RLGL.ExtSupported.maxDepthBits = 24; // Not available on WebGL + if (strcmp(extList[i], (const char *)"GL_OES_depth32") == 0) RLGL.ExtSupported.maxDepthBits = 32; // Not available on WebGL // Check texture compression support: DXT if ((strcmp(extList[i], (const char *)"GL_EXT_texture_compression_s3tc") == 0) || @@ -2184,12 +2366,10 @@ void rlLoadExtensions(void *loader) #else // RLGL_SHOW_GL_DETAILS_INFO // Show some basic info about GL supported features - #if defined(GRAPHICS_API_OPENGL_ES2) if (RLGL.ExtSupported.vao) TRACELOG(RL_LOG_INFO, "GL: VAO extension detected, VAO functions loaded successfully"); else TRACELOG(RL_LOG_WARNING, "GL: VAO extension not found, VAO not supported"); if (RLGL.ExtSupported.texNPOT) TRACELOG(RL_LOG_INFO, "GL: NPOT textures extension detected, full NPOT textures supported"); else TRACELOG(RL_LOG_WARNING, "GL: NPOT textures extension not found, limited NPOT support (no-mipmaps, no-repeat)"); - #endif if (RLGL.ExtSupported.texCompDXT) TRACELOG(RL_LOG_INFO, "GL: DXT compressed textures supported"); if (RLGL.ExtSupported.texCompETC1) TRACELOG(RL_LOG_INFO, "GL: ETC1 compressed textures supported"); if (RLGL.ExtSupported.texCompETC2) TRACELOG(RL_LOG_INFO, "GL: ETC2/EAC compressed textures supported"); @@ -2207,22 +2387,18 @@ int rlGetVersion(void) { int glVersion = 0; #if defined(GRAPHICS_API_OPENGL_11) - glVersion = OPENGL_11; + glVersion = RL_OPENGL_11; #endif #if defined(GRAPHICS_API_OPENGL_21) - #if defined(__APPLE__) - glVersion = OPENGL_33; // NOTE: Force OpenGL 3.3 on OSX - #else - glVersion = OPENGL_21; - #endif + glVersion = RL_OPENGL_21; #elif defined(GRAPHICS_API_OPENGL_33) - glVersion = OPENGL_33; + glVersion = RL_OPENGL_33; #endif #if defined(GRAPHICS_API_OPENGL_43) - glVersion = OPENGL_43; + glVersion = RL_OPENGL_43; #endif #if defined(GRAPHICS_API_OPENGL_ES2) - glVersion = OPENGL_ES_20; + glVersion = RL_OPENGL_ES_20; #endif return glVersion; } @@ -2592,7 +2768,7 @@ void rlDrawRenderBatch(rlRenderBatch *batch) for (int i = 0, vertexOffset = 0; i < batch->drawCounter; i++) { - // Bind current draw call texture, activated as GL_TEXTURE0 and binded to sampler2D texture0 by default + // Bind current draw call texture, activated as GL_TEXTURE0 and Bound to sampler2D texture0 by default glBindTexture(GL_TEXTURE_2D, batch->draws[i].textureId); if ((batch->draws[i].mode == RL_LINES) || (batch->draws[i].mode == RL_TRIANGLES)) glDrawArrays(batch->draws[i].mode, vertexOffset, batch->draws[i].vertexCount); @@ -2692,10 +2868,12 @@ bool rlCheckRenderBatchLimit(int vCount) if ((RLGL.State.vertexCounter + vCount) >= (RLGL.currentBatch->vertexBuffer[RLGL.currentBatch->currentBuffer].elementCount*4)) { + overflow = true; + + // Store current primitive drawing mode and texture id int currentMode = RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].mode; int currentTexture = RLGL.currentBatch->draws[RLGL.currentBatch->drawCounter - 1].textureId; - overflow = true; rlDrawRenderBatch(RLGL.currentBatch); // NOTE: Stereo rendering is checked inside // Restore state of last batch so we can continue adding vertices @@ -2712,10 +2890,10 @@ bool rlCheckRenderBatchLimit(int vCount) // Convert image data to OpenGL texture (returns OpenGL valid Id) unsigned int rlLoadTexture(const void *data, int width, int height, int format, int mipmapCount) { - glBindTexture(GL_TEXTURE_2D, 0); // Free any old binding - unsigned int id = 0; + glBindTexture(GL_TEXTURE_2D, 0); // Free any old binding + // Check texture format support by OpenGL 1.1 (compressed textures not supported) #if defined(GRAPHICS_API_OPENGL_11) if (format >= RL_PIXELFORMAT_COMPRESSED_DXT1_RGB) @@ -2858,7 +3036,7 @@ unsigned int rlLoadTexture(const void *data, int width, int height, int format, } // Load depth texture/renderbuffer (to be attached to fbo) -// WARNING: OpenGL ES 2.0 requires GL_OES_depth_texture/WEBGL_depth_texture extensions +// WARNING: OpenGL ES 2.0 requires GL_OES_depth_texture and WebGL requires WEBGL_depth_texture extensions unsigned int rlLoadTextureDepth(int width, int height, bool useRenderBuffer) { unsigned int id = 0; @@ -2872,9 +3050,14 @@ unsigned int rlLoadTextureDepth(int width, int height, bool useRenderBuffer) unsigned int glInternalFormat = GL_DEPTH_COMPONENT; #if defined(GRAPHICS_API_OPENGL_ES2) - if (RLGL.ExtSupported.maxDepthBits == 32) glInternalFormat = GL_DEPTH_COMPONENT32_OES; - else if (RLGL.ExtSupported.maxDepthBits == 24) glInternalFormat = GL_DEPTH_COMPONENT24_OES; - else glInternalFormat = GL_DEPTH_COMPONENT16; + // WARNING: WebGL platform requires unsized internal format definition (GL_DEPTH_COMPONENT) + // while other platforms using OpenGL ES 2.0 require/support sized internal formats depending on the GPU capabilities + if (!RLGL.ExtSupported.texDepthWebGL || useRenderBuffer) + { + if (RLGL.ExtSupported.maxDepthBits == 32) glInternalFormat = GL_DEPTH_COMPONENT32_OES; + else if (RLGL.ExtSupported.maxDepthBits == 24) glInternalFormat = GL_DEPTH_COMPONENT24_OES; + else glInternalFormat = GL_DEPTH_COMPONENT16; + } #endif if (!useRenderBuffer && RLGL.ExtSupported.texDepth) @@ -3063,8 +3246,10 @@ void rlUnloadTexture(unsigned int id) } // Generate mipmap data for selected texture +// NOTE: Only supports GPU mipmap generation void rlGenTextureMipmaps(unsigned int id, int width, int height, int format, int *mipmaps) { +#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) glBindTexture(GL_TEXTURE_2D, id); // Check if texture is power-of-two (POT) @@ -3073,46 +3258,6 @@ void rlGenTextureMipmaps(unsigned int id, int width, int height, int format, int if (((width > 0) && ((width & (width - 1)) == 0)) && ((height > 0) && ((height & (height - 1)) == 0))) texIsPOT = true; -#if defined(GRAPHICS_API_OPENGL_11) - if (texIsPOT) - { - // WARNING: Manual mipmap generation only works for RGBA 32bit textures! - if (format == RL_PIXELFORMAT_UNCOMPRESSED_R8G8B8A8) - { - // Retrieve texture data from VRAM - void *texData = rlReadTexturePixels(id, width, height, format); - - // NOTE: Texture data size is reallocated to fit mipmaps data - // NOTE: CPU mipmap generation only supports RGBA 32bit data - int mipmapCount = rlGenTextureMipmapsData(texData, width, height); - - int size = width*height*4; - int offset = size; - - int mipWidth = width/2; - int mipHeight = height/2; - - // Load the mipmaps - for (int level = 1; level < mipmapCount; level++) - { - glTexImage2D(GL_TEXTURE_2D, level, GL_RGBA8, mipWidth, mipHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, (unsigned char *)texData + offset); - - size = mipWidth*mipHeight*4; - offset += size; - - mipWidth /= 2; - mipHeight /= 2; - } - - *mipmaps = mipmapCount + 1; - RL_FREE(texData); // Once mipmaps have been generated and data has been uploaded to GPU VRAM, we can discard RAM data - - TRACELOG(RL_LOG_WARNING, "TEXTURE: [ID %i] Mipmaps generated manually on CPU side, total: %i", id, *mipmaps); - } - else TRACELOG(RL_LOG_WARNING, "TEXTURE: [ID %i] Failed to generate mipmaps for provided texture format", id); - } -#endif -#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2) if ((texIsPOT) || (RLGL.ExtSupported.texNPOT)) { //glHint(GL_GENERATE_MIPMAP_HINT, GL_DONT_CARE); // Hint for mipmaps generation algorithm: GL_FASTEST, GL_NICEST, GL_DONT_CARE @@ -3124,10 +3269,12 @@ void rlGenTextureMipmaps(unsigned int id, int width, int height, int format, int *mipmaps = 1 + (int)floor(log(MAX(width, height))/log(2)); TRACELOG(RL_LOG_INFO, "TEXTURE: [ID %i] Mipmaps generated automatically, total: %i", id, *mipmaps); } -#endif else TRACELOG(RL_LOG_WARNING, "TEXTURE: [ID %i] Failed to generate mipmaps", id); glBindTexture(GL_TEXTURE_2D, 0); +#else + TRACELOG(RL_LOG_WARNING, "TEXTURE: [ID %i] GPU mipmap generation not supported", id); +#endif } @@ -3328,7 +3475,7 @@ void rlUnloadFramebuffer(unsigned int id) unsigned int depthIdU = (unsigned int)depthId; if (depthType == GL_RENDERBUFFER) glDeleteRenderbuffers(1, &depthIdU); - else if (depthType == GL_RENDERBUFFER) glDeleteTextures(1, &depthIdU); + else if (depthType == GL_TEXTURE) glDeleteTextures(1, &depthIdU); // NOTE: If a texture object is deleted while its image is attached to the *currently bound* framebuffer, // the texture image is automatically detached from the currently bound framebuffer. @@ -3595,12 +3742,14 @@ unsigned int rlLoadShaderCode(const char *vsCode, const char *fsCode) // NOTE: We detach shader before deletion to make sure memory is freed if (vertexShaderId != RLGL.State.defaultVShaderId) { - glDetachShader(id, vertexShaderId); + // WARNING: Shader program linkage could fail and returned id is 0 + if (id > 0) glDetachShader(id, vertexShaderId); glDeleteShader(vertexShaderId); } if (fragmentShaderId != RLGL.State.defaultFShaderId) { - glDetachShader(id, fragmentShaderId); + // WARNING: Shader program linkage could fail and returned id is 0 + if (id > 0) glDetachShader(id, fragmentShaderId); glDeleteShader(fragmentShaderId); } @@ -3708,7 +3857,7 @@ unsigned int rlLoadShaderProgram(unsigned int vShaderId, unsigned int fShaderId) glAttachShader(program, vShaderId); glAttachShader(program, fShaderId); - // NOTE: Default attribute shader locations must be binded before linking + // NOTE: Default attribute shader locations must be Bound before linking glBindAttribLocation(program, 0, RL_DEFAULT_SHADER_ATTRIB_NAME_POSITION); glBindAttribLocation(program, 1, RL_DEFAULT_SHADER_ATTRIB_NAME_TEXCOORD); glBindAttribLocation(program, 2, RL_DEFAULT_SHADER_ATTRIB_NAME_NORMAL); @@ -3934,7 +4083,7 @@ void rlComputeShaderDispatch(unsigned int groupX, unsigned int groupY, unsigned } // Load shader storage buffer object (SSBO) -unsigned int rlLoadShaderBuffer(unsigned long long size, const void *data, int usageHint) +unsigned int rlLoadShaderBuffer(unsigned int size, const void *data, int usageHint) { unsigned int ssbo = 0; @@ -3958,7 +4107,7 @@ void rlUnloadShaderBuffer(unsigned int ssboId) } // Update SSBO buffer data -void rlUpdateShaderBufferElements(unsigned int id, const void *data, unsigned long long dataSize, unsigned long long offset) +void rlUpdateShaderBuffer(unsigned int id, const void *data, unsigned int dataSize, unsigned int offset) { #if defined(GRAPHICS_API_OPENGL_43) glBindBuffer(GL_SHADER_STORAGE_BUFFER, id); @@ -3967,7 +4116,7 @@ void rlUpdateShaderBufferElements(unsigned int id, const void *data, unsigned lo } // Get SSBO buffer size -unsigned long long rlGetShaderBufferSize(unsigned int id) +unsigned int rlGetShaderBufferSize(unsigned int id) { long long size = 0; @@ -3976,11 +4125,11 @@ unsigned long long rlGetShaderBufferSize(unsigned int id) glGetInteger64v(GL_SHADER_STORAGE_BUFFER_SIZE, &size); #endif - return (size > 0)? size : 0; + return (size > 0)? (unsigned int)size : 0; } -// Read SSBO buffer data -void rlReadShaderBufferElements(unsigned int id, void *dest, unsigned long long count, unsigned long long offset) +// Read SSBO buffer data (GPU->CPU) +void rlReadShaderBuffer(unsigned int id, void *dest, unsigned int count, unsigned int offset) { #if defined(GRAPHICS_API_OPENGL_43) glBindBuffer(GL_SHADER_STORAGE_BUFFER, id); @@ -3997,7 +4146,7 @@ void rlBindShaderBuffer(unsigned int id, unsigned int index) } // Copy SSBO buffer data -void rlCopyBuffersElements(unsigned int destId, unsigned int srcId, unsigned long long destOffset, unsigned long long srcOffset, unsigned long long count) +void rlCopyShaderBuffer(unsigned int destId, unsigned int srcId, unsigned int destOffset, unsigned int srcOffset, unsigned int count) { #if defined(GRAPHICS_API_OPENGL_43) glBindBuffer(GL_COPY_READ_BUFFER, srcId); @@ -4007,7 +4156,7 @@ void rlCopyBuffersElements(unsigned int destId, unsigned int srcId, unsigned lon } // Bind image texture -void rlBindImageTexture(unsigned int id, unsigned int index, unsigned int format, int readonly) +void rlBindImageTexture(unsigned int id, unsigned int index, int format, bool readonly) { #if defined(GRAPHICS_API_OPENGL_43) unsigned int glInternalFormat = 0, glFormat = 0, glType = 0; @@ -4501,132 +4650,6 @@ static char *rlGetCompressedFormatName(int format) #endif // GRAPHICS_API_OPENGL_33 || GRAPHICS_API_OPENGL_ES2 -#if defined(GRAPHICS_API_OPENGL_11) -// Mipmaps data is generated after image data -// NOTE: Only works with RGBA (4 bytes) data! -static int rlGenTextureMipmapsData(unsigned char *data, int baseWidth, int baseHeight) -{ - int mipmapCount = 1; // Required mipmap levels count (including base level) - int width = baseWidth; - int height = baseHeight; - int size = baseWidth*baseHeight*4; // Size in bytes (will include mipmaps...), RGBA only - - // Count mipmap levels required - while ((width != 1) && (height != 1)) - { - width /= 2; - height /= 2; - - TRACELOGD("TEXTURE: Next mipmap size: %i x %i", width, height); - - mipmapCount++; - - size += (width*height*4); // Add mipmap size (in bytes) - } - - TRACELOGD("TEXTURE: Total mipmaps required: %i", mipmapCount); - TRACELOGD("TEXTURE: Total size of data required: %i", size); - - unsigned char *temp = RL_REALLOC(data, size); - - if (temp != NULL) data = temp; - else TRACELOG(RL_LOG_WARNING, "TEXTURE: Failed to re-allocate required mipmaps memory"); - - width = baseWidth; - height = baseHeight; - size = (width*height*4); // RGBA: 4 bytes - - // Generate mipmaps - // NOTE: Every mipmap data is stored after data (RGBA - 4 bytes) - unsigned char *image = (unsigned char *)RL_MALLOC(width*height*4); - unsigned char *mipmap = NULL; - int offset = 0; - - for (int i = 0; i < size; i += 4) - { - image[i] = data[i]; - image[i + 1] = data[i + 1]; - image[i + 2] = data[i + 2]; - image[i + 3] = data[i + 3]; - } - - TRACELOGD("TEXTURE: Mipmap base size (%ix%i)", width, height); - - for (int mip = 1; mip < mipmapCount; mip++) - { - mipmap = rlGenNextMipmapData(image, width, height); - - offset += (width*height*4); // Size of last mipmap - - width /= 2; - height /= 2; - size = (width*height*4); // Mipmap size to store after offset - - // Add mipmap to data - for (int i = 0; i < size; i += 4) - { - data[offset + i] = mipmap[i]; - data[offset + i + 1] = mipmap[i + 1]; - data[offset + i + 2] = mipmap[i + 2]; - data[offset + i + 3] = mipmap[i + 3]; - } - - RL_FREE(image); - - image = mipmap; - mipmap = NULL; - } - - RL_FREE(mipmap); // free mipmap data - - return mipmapCount; -} - -// Manual mipmap generation (basic scaling algorithm) -static unsigned char *rlGenNextMipmapData(unsigned char *srcData, int srcWidth, int srcHeight) -{ - int x2 = 0; - int y2 = 0; - unsigned char prow[4] = { 0 }; - unsigned char pcol[4] = { 0 }; - - int width = srcWidth/2; - int height = srcHeight/2; - - unsigned char *mipmap = (unsigned char *)RL_MALLOC(width*height*4); - - // Scaling algorithm works perfectly (box-filter) - for (int y = 0; y < height; y++) - { - y2 = 2*y; - - for (int x = 0; x < width; x++) - { - x2 = 2*x; - - prow[0] = (srcData[(y2*srcWidth + x2)*4 + 0] + srcData[(y2*srcWidth + x2 + 1)*4 + 0])/2; - prow[1] = (srcData[(y2*srcWidth + x2)*4 + 1] + srcData[(y2*srcWidth + x2 + 1)*4 + 1])/2; - prow[2] = (srcData[(y2*srcWidth + x2)*4 + 2] + srcData[(y2*srcWidth + x2 + 1)*4 + 2])/2; - prow[3] = (srcData[(y2*srcWidth + x2)*4 + 3] + srcData[(y2*srcWidth + x2 + 1)*4 + 3])/2; - - pcol[0] = (srcData[((y2 + 1)*srcWidth + x2)*4 + 0] + srcData[((y2 + 1)*srcWidth + x2 + 1)*4 + 0])/2; - pcol[1] = (srcData[((y2 + 1)*srcWidth + x2)*4 + 1] + srcData[((y2 + 1)*srcWidth + x2 + 1)*4 + 1])/2; - pcol[2] = (srcData[((y2 + 1)*srcWidth + x2)*4 + 2] + srcData[((y2 + 1)*srcWidth + x2 + 1)*4 + 2])/2; - pcol[3] = (srcData[((y2 + 1)*srcWidth + x2)*4 + 3] + srcData[((y2 + 1)*srcWidth + x2 + 1)*4 + 3])/2; - - mipmap[(y*width + x)*4 + 0] = (prow[0] + pcol[0])/2; - mipmap[(y*width + x)*4 + 1] = (prow[1] + pcol[1])/2; - mipmap[(y*width + x)*4 + 2] = (prow[2] + pcol[2])/2; - mipmap[(y*width + x)*4 + 3] = (prow[3] + pcol[3])/2; - } - } - - TRACELOGD("TEXTURE: Mipmap generated successfully (%ix%i)", width, height); - - return mipmap; -} -#endif // GRAPHICS_API_OPENGL_11 - // Get pixel data size in bytes (image or texture) // NOTE: Size depends on pixel format static int rlGetPixelDataSize(int width, int height, int format) |