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Buffer userdata object and rlgl Vertex buffers management.

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This commit is contained in:
jussi
2023-10-26 20:09:16 +03:00
parent 168f4959d4
commit 56c365c8cc
14 changed files with 1070 additions and 91 deletions
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268
src/rlgl.c
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@@ -3,58 +3,6 @@
#include "lua_core.h"
#include "lrlgl.h"
static void* getVertexBuffer( lua_State *L, int *type, unsigned int *size ) {
*type = lua_tointeger( L, 2 );
size_t len = uluaGetTableLenIndex( L, 1 );
unsigned char *uByteArray;
float *floatArray;
switch ( *type ) {
case RL_UNSIGNED_BYTE:
*size = len * sizeof( unsigned char );
uByteArray = MemAlloc( *size );
break;
case RL_FLOAT:
*size = len * sizeof( float );
floatArray = MemAlloc( *size );
break;
default:
break;
}
int t = 1;
int i = 0;
lua_pushnil( L );
while ( lua_next( L, t ) != 0 ) {
switch ( *type ) {
case RL_UNSIGNED_BYTE:
uByteArray[i] = lua_tointeger( L, -1 );
break;
case RL_FLOAT:
floatArray[i] = lua_tointeger( L, -1 );
break;
default:
break;
}
lua_pop( L, 1 );
i++;
}
switch ( *type ) {
case RL_UNSIGNED_BYTE:
return uByteArray;
break;
case RL_FLOAT:
return floatArray;
break;
default:
return NULL;
break;
}
}
/*
## RLGL - Matrix operations
*/
@@ -1308,29 +1256,93 @@ int lrlglLoadVertexArray( lua_State *L ) {
}
/*
> vboId = RL.rlLoadVertexBuffer( Buffer{} buffer, int type, bool dynamic )
> vboId = RL.rlLoadVertexBuffer( Buffer buffer, bool dynamic )
Load a vertex buffer attribute. Type should be RL_UNSIGNED_BYTE or RL_FLOAT
Load a vertex buffer attribute
- Failure return -1
- Success return int
*/
int lrlglLoadVertexBuffer( lua_State *L ) {
if ( !lua_istable( L, 1 ) || !lua_isnumber( L, 2 ) || !lua_isboolean( L, 3 ) ) {
TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.rlLoadVertexBuffer( Buffer{} buffer, int type, bool dynamic )" );
if ( !lua_isuserdata( L, 1 ) || !lua_isboolean( L, 2 ) ) {
TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.rlLoadVertexBuffer( Buffer buffer, bool dynamic )" );
lua_pushinteger( L, -1 );
return 1;
}
unsigned int size = 0;
int type = 0;
void *vertexBuffer = getVertexBuffer( L, &type, &size );
bool dynamic = lua_tointeger( L, 3 );
Buffer *buffer = luaL_checkudata( L, 1, "Buffer" );
bool dynamic = lua_tointeger( L, 2 );
lua_pushinteger( L, rlLoadVertexBuffer( vertexBuffer, size, dynamic ) );
lua_pushinteger( L, rlLoadVertexBuffer( buffer->data, buffer->size, dynamic ) );
if ( vertexBuffer != NULL ) {
MemFree( vertexBuffer );
return 1;
}
/*
> vboId = RL.rlLoadVertexBufferElement( Buffer buffer, bool dynamic )
Load a new attributes element buffer
- Failure return -1
- Success return int
*/
int lrlglLoadVertexBufferElement( lua_State *L ) {
if ( !lua_isuserdata( L, 1 ) || !lua_isboolean( L, 2 ) ) {
TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.rlLoadVertexBufferElement( Buffer buffer, bool dynamic )" );
lua_pushinteger( L, -1 );
return 1;
}
Buffer *buffer = luaL_checkudata( L, 1, "Buffer" );
bool dynamic = lua_tointeger( L, 2 );
lua_pushinteger( L, rlLoadVertexBufferElement( buffer->data, buffer->size, dynamic ) );
return 1;
}
/*
> success = RL.rlUpdateVertexBuffer( int bufferId, Buffer buffer, int offset )
Update GPU buffer with new data
- Failure return false
- Success return true
*/
int lrlglUpdateVertexBuffer( lua_State *L ) {
if ( !lua_isnumber( L, 1 ) || !lua_isuserdata( L, 2 ) || !lua_isnumber( L, 3 ) ) {
TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.rlUpdateVertexBuffer( int bufferId, Buffer buffer, int offset )" );
lua_pushboolean( L, false );
return 1;
}
int bufferId = lua_tointeger( L, 1 );
Buffer *buffer = luaL_checkudata( L, 2, "Buffer" );
int offset = lua_tointeger( L, 3 );
rlUpdateVertexBuffer( bufferId, buffer->data, buffer->size, offset );
lua_pushboolean( L, true );
return 1;
}
/*
> success = RL.rlUpdateVertexBufferElements( int id, Buffer buffer, int offset )
Update vertex buffer elements with new data
- Failure return false
- Success return true
*/
int lrlglUpdateVertexBufferElements( lua_State *L ) {
if ( !lua_isnumber( L, 1 ) || !lua_isuserdata( L, 2 ) || !lua_isnumber( L, 3 ) ) {
TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.rlUpdateVertexBufferElements( int id, Buffer buffer, int offset )" );
lua_pushboolean( L, false );
return 1;
}
int bufferId = lua_tointeger( L, 1 );
Buffer *buffer = luaL_checkudata( L, 2, "Buffer" );
int offset = lua_tointeger( L, 3 );
rlUpdateVertexBufferElements( bufferId, buffer->data, buffer->size, offset );
lua_pushboolean( L, true );
return 1;
}
@@ -1403,6 +1415,63 @@ int lrlglSetVertexAttribute( lua_State *L ) {
return 1;
}
/*
> success = RL.rlSetVertexAttributeDivisor( int index, int divisor )
Set vertex attribute divisor
- Failure return false
- Success return true
*/
int lrlglSetVertexAttributeDivisor( lua_State *L ) {
if ( !lua_isnumber( L, 1 ) || !lua_isnumber( L, 2 ) ) {
TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.rlSetVertexAttributeDivisor( int index, int divisor )" );
lua_pushboolean( L, false );
return 1;
}
unsigned int index = (unsigned int)lua_tointeger( L, 1 );
int divisor = lua_tointeger( L, 2 );
rlSetVertexAttributeDivisor( index, divisor );
lua_pushboolean( L, true );
return 1;
}
/*
> success = RL.rlSetVertexAttributeDefault( int locIndex, float{} value, int attribType )
Set vertex attribute default value
- Failure return false
- Success return true
*/
int lrlglSetVertexAttributeDefault( lua_State *L ) {
if ( !lua_isnumber( L, 1 ) || !lua_istable( L, 2 ) || !lua_isnumber( L, 3 ) ) {
TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.rlSetVertexAttributeDefault( int locIndex, float{} value, int attribType )" );
lua_pushboolean( L, false );
return 1;
}
int locIndex = lua_tointeger( L, 1 );
int attribType = lua_tointeger( L, 3 );
int count = uluaGetTableLenIndex( L, 2 );
float value[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
int t = 2;
int i = 0;
lua_pushnil( L );
while ( lua_next( L, t ) != 0 ) {
value[i] = lua_tonumber( L, -1 );
lua_pop( L, 1 );
i++;
}
rlSetVertexAttributeDefault( locIndex, value, attribType, count );
lua_pushboolean( L, true );
return 1;
}
/*
> success = RL.rlDrawVertexArray( int offset, int count )
@@ -1426,6 +1495,79 @@ int lrlglDrawVertexArray( lua_State *L ) {
return 1;
}
/*
> success = RL.rlDrawVertexArrayElements( int offset, int count, Buffer buffer )
Draw vertex array elements
- Failure return false
- Success return true
*/
int lrlglDrawVertexArrayElements( lua_State *L ) {
if ( !lua_isnumber( L, 1 ) || !lua_isnumber( L, 2 ) || !lua_isuserdata( L, 3 ) ) {
TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.rlDrawVertexArrayElements( int offset, int count, Buffer buffer )" );
lua_pushboolean( L, false );
return 1;
}
int offset = lua_tointeger( L, 1 );
int count = lua_tointeger( L, 2 );
Buffer *buffer = luaL_checkudata( L, 3, "Buffer" );
rlDrawVertexArrayElements( offset, count, buffer->data );
lua_pushboolean( L, true );
return 1;
}
/*
> success = RL.rlDrawVertexArrayInstanced( int offset, int count, int instances )
Draw vertex array instanced
- Failure return false
- Success return true
*/
int lrlglDrawVertexArrayInstanced( lua_State *L ) {
if ( !lua_isnumber( L, 1 ) || !lua_isnumber( L, 2 ) || !lua_isnumber( L, 3 ) ) {
TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.rlDrawVertexArrayInstanced( int offset, int count, int instances )" );
lua_pushboolean( L, false );
return 1;
}
int offset = lua_tointeger( L, 1 );
int count = lua_tointeger( L, 2 );
int instances = lua_tointeger( L, 3 );
rlDrawVertexArrayInstanced( offset, count, instances );
lua_pushboolean( L, true );
return 1;
}
/*
> success = RL.rlDrawVertexArrayElementsInstanced( int offset, int count, Buffer buffer, int instances )
Draw vertex array elements instanced
- Failure return false
- Success return true
*/
int lrlglDrawVertexArrayElementsInstanced( lua_State *L ) {
if ( !lua_isnumber( L, 1 ) || !lua_isnumber( L, 2 ) || !lua_isuserdata( L, 3 ) || !lua_isnumber( L, 4 ) ) {
TraceLog( state->logLevelInvalid, "%s", "Bad call of function. RL.rlDrawVertexArrayElementsInstanced( int offset, int count, Buffer buffer, int instances )" );
lua_pushboolean( L, false );
return 1;
}
int offset = lua_tointeger( L, 1 );
int count = lua_tointeger( L, 2 );
Buffer *buffer = luaL_checkudata( L, 3, "Buffer" );
int instances = lua_tointeger( L, 4 );
rlDrawVertexArrayElementsInstanced( offset, count, buffer->data, instances );
lua_pushboolean( L, true );
return 1;
}
/*
## RLGL - Textures management
*/