Shader buffer storage object management (ssbo) and rest of rlgl texture management functions.
This commit is contained in:
jussi
268
src/rlgl.c
268
src/rlgl.c
@@ -1224,18 +1224,19 @@ int lrlglDrawVertexArrayElementsInstanced( lua_State *L ) {
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*/
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/*
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> id = RL.rlLoadTexture( Vector2 size, int format, int mipmapCount )
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> id = RL.rlLoadTexture( Buffer data, Vector2 size, int format, int mipmapCount )
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Load texture in GPU
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- Success return int
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*/
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int lrlglLoadTexture( lua_State *L ) {
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Vector2 size = uluaGetVector2( L, 1 );
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int format = luaL_checkinteger( L, 2 );
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int mipmapCount = luaL_checkinteger( L, 3 );
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Buffer *data = uluaGetBuffer( L, 1 );
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Vector2 size = uluaGetVector2( L, 2 );
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int format = luaL_checkinteger( L, 3 );
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int mipmapCount = luaL_checkinteger( L, 4 );
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lua_pushinteger( L, rlLoadTexture( NULL, size.x, size.y, format, mipmapCount ) );
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lua_pushinteger( L, rlLoadTexture( data->data, size.x, size.y, format, mipmapCount ) );
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return 1;
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}
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@@ -1256,17 +1257,154 @@ int lrlglLoadTextureDepth( lua_State *L ) {
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return 1;
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}
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/*
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> id = RL.rlLoadTextureCubemap( Buffer data, int size, int format )
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Load texture cubemap
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- Success return int
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*/
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int lrlglLoadTextureCubemap( lua_State *L ) {
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Buffer *data = uluaGetBuffer( L, 1 );
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int size = luaL_checkinteger( L, 2 );
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int format = luaL_checkinteger( L, 3 );
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lua_pushinteger( L, rlLoadTextureCubemap( data->data, size, format ) );
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return 1;
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}
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/*
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> RL.rlUpdateTexture( int id, Vector2 offset, Vector2 size, int format, Buffer data )
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Update GPU texture with new data
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*/
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int lrlglUpdateTexture( lua_State *L ) {
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unsigned int id = (unsigned int)luaL_checkinteger( L, 1 );
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Vector2 offset = uluaGetVector2( L, 2 );
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Vector2 size = uluaGetVector2( L, 3 );
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int format = luaL_checkinteger( L, 4 );
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Buffer *data = uluaGetBuffer( L, 5 );
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rlUpdateTexture( id, (int)offset.x, (int)offset.y, (int)size.x, (int)size.y, format, data->data );
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return 1;
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}
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/*
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> glInternalFormat, glFormat, glType = RL.rlGetGlTextureFormats( int format )
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Get OpenGL internal formats
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- Success return int, int, int
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*/
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int lrlglGetGlTextureFormats( lua_State *L ) {
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int format = luaL_checkinteger( L, 1 );
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unsigned int glInternalFormat, glFormat, glType;
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rlGetGlTextureFormats( format, &glInternalFormat, &glFormat, &glType );
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lua_pushinteger( L, glInternalFormat );
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lua_pushinteger( L, glFormat );
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lua_pushinteger( L, glType );
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return 3;
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}
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/*
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> name = RL.rlGetPixelFormatName( int format )
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Get name string for pixel format
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- Success return string
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*/
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int lrlglGetPixelFormatName( lua_State *L ) {
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int format = luaL_checkinteger( L, 1 );
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lua_pushstring( L, rlGetPixelFormatName( format ) );
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return 1;
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}
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/*
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> RL.rlUnloadTexture( int id )
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Unload texture from GPU memory
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*/
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int lrlglUnloadTexture( lua_State *L ) {
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rlUnloadTexture( luaL_checkinteger( L, 1 ) );
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rlUnloadTexture( (unsigned int)luaL_checkinteger( L, 1 ) );
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return 0;
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}
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/*
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> mipmapCount = RL.rlGenTextureMipmaps( int id, Vector2 size, int format )
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Generate mipmap data for selected texture
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- Success return int
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*/
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int lrlglGenTextureMipmaps( lua_State *L ) {
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unsigned int id = (unsigned int)luaL_checkinteger( L, 1 );
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Vector2 size = uluaGetVector2( L, 2 );
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int format = luaL_checkinteger( L, 3 );
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int mipmaps = 0;
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rlGenTextureMipmaps( id, (int)size.x, (int)size.y, format, &mipmaps );
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lua_pushinteger( L, mipmaps );
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return 1;
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}
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/*
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> data = RL.rlReadTexturePixels( int id, Vector2 size, int format )
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Read texture pixel data
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- Success return Buffer
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*/
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int lrlglReadTexturePixels( lua_State *L ) {
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unsigned int id = (unsigned int)luaL_checkinteger( L, 1 );
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Vector2 size = uluaGetVector2( L, 2 );
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int format = luaL_checkinteger( L, 3 );
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size_t dataSize = GetPixelDataSize( size.x, size.y, format );
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Buffer data = {
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.type = BUFFER_UNSIGNED_CHAR,
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.size = dataSize,
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.data = malloc( dataSize )
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};
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data.data = rlReadTexturePixels( id, (int)size.x, (int)size.y, format );
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uluaPushBuffer( L, data );
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return 1;
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}
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/*
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> data = RL.rlReadScreenPixels( Vector2 size )
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Read screen pixel data (color buffer)
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- Success return Buffer
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*/
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int lrlglReadScreenPixels( lua_State *L ) {
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Vector2 size = uluaGetVector2( L, 1 );
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size_t dataSize = (int)size.x * (int)size.y * 4 * sizeof(unsigned char);
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Buffer data = {
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.type = BUFFER_UNSIGNED_CHAR,
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.size = dataSize,
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.data = malloc( dataSize )
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};
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data.data = rlReadScreenPixels( (int)size.x, (int)size.y );
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uluaPushBuffer( L, data );
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return 1;
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}
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/*
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## RLGL - Framebuffer management (fbo)
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*/
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@@ -1525,6 +1663,124 @@ int lrlglComputeShaderDispatch( lua_State *L ) {
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return 0;
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}
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/*
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## RLGL - Shader buffer storage object management (ssbo)
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*/
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/*
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> buffer = RL.rlLoadShaderBuffer( int size, Buffer data, int usageHint )
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Load shader storage buffer object (SSBO)
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- Success return int
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*/
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int lrlglLoadShaderBuffer( lua_State *L ) {
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unsigned int size = (unsigned int)luaL_checkinteger( L, 1 );
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Buffer *data = uluaGetBuffer( L, 2 );
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int usageHint = luaL_checkinteger( L, 3 );
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lua_pushinteger( L, rlLoadShaderBuffer( size, data->data, usageHint ) );
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return 1;
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}
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/*
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> RL.rlUnloadShaderBuffer( int ssboId )
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Unload shader storage buffer object (SSBO)
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*/
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int lrlglUnloadShaderBuffer( lua_State *L ) {
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unsigned int ssboId = (unsigned int)luaL_checkinteger( L, 1 );
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rlUnloadShaderBuffer( ssboId );
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return 0;
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}
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/*
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> RL.rlUpdateShaderBuffer( int id, Buffer data, int offset )
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Update SSBO buffer data
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*/
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int lrlglUpdateShaderBuffer( lua_State *L ) {
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unsigned int id = (unsigned int)luaL_checkinteger( L, 1 );
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Buffer *data = uluaGetBuffer( L, 2 );
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unsigned int offset = (unsigned int)luaL_checkinteger( L, 3 );
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rlUpdateShaderBuffer( id, data->data, data->size, offset );
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return 0;
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}
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/*
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> RL.rlBindShaderBuffer( int id, int index )
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Bind SSBO buffer
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*/
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int lrlglBindShaderBuffer( lua_State *L ) {
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unsigned int id = (unsigned int)luaL_checkinteger( L, 1 );
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unsigned int index = (unsigned int)luaL_checkinteger( L, 2 );
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rlBindShaderBuffer( id, index );
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return 0;
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}
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/*
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> data = RL.rlReadShaderBuffer( int id, int count, int offset )
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Read SSBO buffer data (GPU->CPU)
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- Success return Buffer
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*/
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int lrlglReadShaderBuffer( lua_State *L ) {
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unsigned int id = (unsigned int)luaL_checkinteger( L, 1 );
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unsigned int count = (unsigned int)luaL_checkinteger( L, 2 );
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unsigned int offset = (unsigned int)luaL_checkinteger( L, 3 );
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Buffer dest = {
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.type = BUFFER_UNSIGNED_CHAR,
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.size = count,
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.data = malloc( count * sizeof( unsigned char ) )
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};
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rlReadShaderBuffer( id, &dest.data, count, offset );
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uluaPushBuffer( L, dest );
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return 1;
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}
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/*
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> RL.rlCopyShaderBuffer( int destId, int srcId, int destOffset, int srcOffset, int count )
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Copy SSBO data between buffers
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*/
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int lrlglCopyShaderBuffer( lua_State *L ) {
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unsigned int destId = (unsigned int)luaL_checkinteger( L, 1 );
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unsigned int srcId = (unsigned int)luaL_checkinteger( L, 2 );
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unsigned int destOffset = (unsigned int)luaL_checkinteger( L, 3 );
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unsigned int srcOffset = (unsigned int)luaL_checkinteger( L, 4 );
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unsigned int count = (unsigned int)luaL_checkinteger( L, 5 );
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rlCopyShaderBuffer( destId, srcId, destOffset, srcOffset, count );
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return 0;
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}
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/*
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> size = RL.rlGetShaderBufferSize( int id )
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Get SSBO buffer size
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- Success return int
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*/
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int lrlglGetShaderBufferSize( lua_State *L ) {
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unsigned int id = (unsigned int)luaL_checkinteger( L, 1 );
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lua_pushinteger( L, rlGetShaderBufferSize( id ) );
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return 1;
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}
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/*
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## RLGL - Buffer management
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*/
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