void OSystem_3DS::initGraphics() {
_pfGame = Graphics::PixelFormat::createFormatCLUT8();
_pfGameTexture = Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0);
C3D_Init(C3D_DEFAULT_CMDBUF_SIZE);
// Initialize the render targets
_renderTargetTop =
C3D_RenderTargetCreate(240, 400, GPU_RB_RGBA8, GPU_RB_DEPTH24_STENCIL8);
C3D_RenderTargetSetClear(_renderTargetTop, C3D_CLEAR_ALL, 0x0000000, 0);
C3D_RenderTargetSetOutput(_renderTargetTop, GFX_TOP, GFX_LEFT,
DISPLAY_TRANSFER_FLAGS);
_renderTargetBottom =
C3D_RenderTargetCreate(240, 320, GPU_RB_RGBA8, GPU_RB_DEPTH24_STENCIL8);
C3D_RenderTargetSetClear(_renderTargetBottom, C3D_CLEAR_ALL, 0x00000000, 0);
C3D_RenderTargetSetOutput(_renderTargetBottom, GFX_BOTTOM, GFX_LEFT,
DISPLAY_TRANSFER_FLAGS);
// Load and bind simple default shader (shader.v.pica)
_dvlb = DVLB_ParseFile((u32*)shader_shbin, shader_shbin_size);
shaderProgramInit(&_program);
shaderProgramSetVsh(&_program, &_dvlb->DVLE[0]);
C3D_BindProgram(&_program);
_projectionLocation = shaderInstanceGetUniformLocation(_program.vertexShader, "projection");
_modelviewLocation = shaderInstanceGetUniformLocation(_program.vertexShader, "modelView");
C3D_AttrInfo *attrInfo = C3D_GetAttrInfo();
AttrInfo_Init(attrInfo);
AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 3); // v0=position
AttrInfo_AddLoader(attrInfo, 1, GPU_FLOAT, 2); // v1=texcoord
Mtx_OrthoTilt(&_projectionTop, 0.0, 400.0, 240.0, 0.0, 0.0, 1.0);
Mtx_OrthoTilt(&_projectionBottom, 0.0, 320.0, 240.0, 0.0, 0.0, 1.0);
C3D_TexEnv *env = C3D_GetTexEnv(0);
C3D_TexEnvSrc(env, C3D_Both, GPU_TEXTURE0, 0, 0);
C3D_TexEnvOp(env, C3D_Both, 0, 0, 0);
C3D_TexEnvFunc(env, C3D_Both, GPU_REPLACE);
C3D_DepthTest(false, GPU_GEQUAL, GPU_WRITE_ALL);
C3D_CullFace(GPU_CULL_NONE);
}
void CitroInit(size_t commandBufferSize)
{
C3D_Init(commandBufferSize);
// Configure attributes for use with the vertex shader
C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
AttrInfo_Init(attrInfo);
AttrInfo_AddLoader(attrInfo, 0, GPU_FLOAT, 2); // v0=position
AttrInfo_AddLoader(attrInfo, 1, GPU_UNSIGNED_BYTE, 4); // v1=color
AttrInfo_AddLoader(attrInfo, 2, GPU_FLOAT, 2); // v2=texcoord
C3D_TexEnv* env = C3D_GetTexEnv(0);
C3D_TexEnvSrc(env, C3D_Both, GPU_PRIMARY_COLOR, 0, 0);
C3D_TexEnvOp(env, C3D_Both, 0, 0, 0);
C3D_TexEnvFunc(env, C3D_Both, GPU_REPLACE);
C3D_DepthTest(false, GPU_GEQUAL, GPU_WRITE_ALL);
C3D_CullFace(GPU_CULL_NONE);
}
bool ctrInitGpu() {
// Load vertex shader binary
uiShader = DVLB_ParseFile((u32*) uishader, uishader_size);
if (uiShader == NULL) {
return false;
}
// Create shader
shaderProgramInit(&uiProgram);
Result res = shaderProgramSetVsh(&uiProgram, &uiShader->DVLE[0]);
if (res < 0) {
return false;
}
res = shaderProgramSetGsh(&uiProgram, &uiShader->DVLE[1], 4);
if (res < 0) {
return false;
}
C3D_BindProgram(&uiProgram);
GSH_FVEC_projectionMtx = shaderInstanceGetUniformLocation(uiProgram.geometryShader, "projectionMtx");
GSH_FVEC_textureMtx = shaderInstanceGetUniformLocation(uiProgram.geometryShader, "textureMtx");
// Allocate buffers
ctrVertexBuffer = linearAlloc(VERTEX_BUFFER_SIZE);
if (ctrVertexBuffer == NULL) {
return false;
}
C3D_CullFace(GPU_CULL_NONE);
C3D_DepthTest(false, GPU_ALWAYS, GPU_WRITE_ALL);
C3D_AlphaBlend(GPU_BLEND_ADD, GPU_BLEND_ADD, GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA, GPU_SRC_ALPHA, GPU_ONE_MINUS_SRC_ALPHA);
C3D_AlphaTest(false, GPU_ALWAYS, 0);
C3D_BlendingColor(0);
C3D_AttrInfo* attrInfo = C3D_GetAttrInfo();
AttrInfo_Init(attrInfo);
AttrInfo_AddLoader(attrInfo, 0, GPU_SHORT, 4); // in_pos
AttrInfo_AddLoader(attrInfo, 1, GPU_SHORT, 4); // in_tc0
AttrInfo_AddLoader(attrInfo, 2, GPU_UNSIGNED_BYTE, 4); // in_col
AttrInfo_AddLoader(attrInfo, 3, GPU_FLOAT, 2); // in_rot
return true;
}
