void gpuDrawVbo(u32 vbo) {
VboData* vboData = (VboData*) vbo;
if(vboData == NULL || vboData->data == NULL) {
return;
}
gpuUpdateState();
static u32 attributeBufferOffset = 0;
GPU_SetAttributeBuffers(vboData->attributeCount, (u32*) osConvertVirtToPhys((u32) vboData->data), vboData->attributes, vboData->attributeMask, vboData->attributePermutations, 1, &attributeBufferOffset, &vboData->attributePermutations, &vboData->attributeCount);
if(vboData->indices != NULL) {
GPU_DrawElements((GPU_Primitive_t) vboData->primitive, (u32*) vboData->indices, vboData->numVertices);
} else {
GPU_DrawArray((GPU_Primitive_t) vboData->primitive, vboData->numVertices);
}
}
void drawRoom(room_s* r)
{
if(!r)return;
gsSwitchRenderMode(-1);
gsSetShader(&roomProgram);
GPU_SetAttributeBuffers(
3, // number of attributes
(u32*)osConvertVirtToPhys(roomBaseAddr), // we use the start of linear heap as base since that's where all our buffers are located
GPU_ATTRIBFMT(0, 3, GPU_SHORT)|GPU_ATTRIBFMT(1, 2, GPU_SHORT)|GPU_ATTRIBFMT(2, 2, GPU_SHORT), // we want v0, v1 and v2
0xFF8, // mask : we want v0, v1 and v2
0x210, // permutation : we use identity
1, // number of buffers : we have one attribute per buffer
(u32[]){(u32)r->vertexBuffer-roomBaseAddr}, // buffer offsets (placeholders)
(u64[]){0x210}, // attribute permutations for each buffer
(u8[]){3} // number of attributes for each buffer
);
GPU_SetTextureEnable(GPU_TEXUNIT0|GPU_TEXUNIT1);
GPU_SetTexEnv(0,
GPU_TEVSOURCES(GPU_TEXTURE0, GPU_TEXTURE1, GPU_PRIMARY_COLOR),
GPU_TEVSOURCES(GPU_TEXTURE0, GPU_PRIMARY_COLOR, GPU_PRIMARY_COLOR),
GPU_TEVOPERANDS(0,2,0),
GPU_TEVOPERANDS(0,0,0),
GPU_MODULATE, GPU_MODULATE,
0xFFFFFFFF);
gsPushMatrix();
gsScale(TILESIZE_FLOAT*2, HEIGHTUNIT_FLOAT, TILESIZE_FLOAT*2);
gsUpdateTransformation();
int i;
for(i=0; i<r->numIndexBuffers; i++)
{
textureBind(r->indexBufferTextures[i], GPU_TEXUNIT0);
textureBind(r->lightingData.data.lightMap.texture, GPU_TEXUNIT1);
GPU_SetFloatUniform(GPU_VERTEX_SHADER, roomUniformTextureDimensions, (u32*)(float[]){0.0f, 0.0f, 1.0f / r->indexBufferTextures[i]->height, 1.0f / r->indexBufferTextures[i]->width}, 1);
GPU_DrawElements(GPU_UNKPRIM, (u32*)((u32)r->indexBuffers[i]-roomBaseAddr), r->numIndices[i]);
}
