void GX2InitShader(GX2Shader *shader)
{
if (shader->fs.program)
return;
shader->fs.size = GX2CalcFetchShaderSizeEx(shader->vs.attribVarCount,
GX2_FETCH_SHADER_TESSELLATION_NONE, GX2_TESSELLATION_MODE_DISCRETE);
#ifdef GX2_CAN_ACCESS_DATA_SECTION
shader->fs.program = MEM2_alloc(shader->fs.size, GX2_SHADER_ALIGNMENT);
#else
shader->fs.program = MEM2_alloc(shader->fs.size + sizeof(org_programs_t), GX2_SHADER_ALIGNMENT);
#endif
GX2InitFetchShaderEx(&shader->fs, (uint8_t *)shader->fs.program,
shader->vs.attribVarCount,
shader->attribute_stream,
GX2_FETCH_SHADER_TESSELLATION_NONE, GX2_TESSELLATION_MODE_DISCRETE);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_SHADER, shader->fs.program, shader->fs.size);
#ifndef GX2_CAN_ACCESS_DATA_SECTION
org_programs_t *org = (org_programs_t *)(shader->fs.program + shader->fs.size);
org->vs_program = shader->vs.program;
org->ps_program = shader->ps.program;
org->gs_program = shader->gs.program;
org->gs_copy_program = shader->gs.copyProgram;
shader->vs.program = MEM2_alloc(shader->vs.size, GX2_SHADER_ALIGNMENT);
memcpy(shader->vs.program, org->vs_program, shader->vs.size);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_SHADER, shader->vs.program, shader->vs.size);
shader->ps.program = MEM2_alloc(shader->ps.size, GX2_SHADER_ALIGNMENT);
memcpy(shader->ps.program, org->ps_program, shader->ps.size);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_SHADER, shader->ps.program, shader->ps.size);
if (org->gs_program)
{
shader->gs.program = MEM2_alloc(shader->gs.size, GX2_SHADER_ALIGNMENT);
memcpy(shader->gs.program, org->gs_program, shader->gs.size);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_SHADER, shader->gs.program, shader->gs.size);
shader->gs.copyProgram = MEM2_alloc(shader->gs.copyProgramSize, GX2_SHADER_ALIGNMENT);
memcpy(shader->gs.copyProgram, org->gs_copy_program, shader->gs.copyProgramSize);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_SHADER, shader->gs.copyProgram, shader->gs.copyProgramSize);
}
#endif
}
static void* wiiu_gfx_init(const video_info_t* video,
const input_driver_t** input, void** input_data)
{
int i;
*input = NULL;
*input_data = NULL;
wiiu_video_t* wiiu = calloc(1, sizeof(*wiiu));
if (!wiiu)
return NULL;
void* wiiuinput = NULL;
if (input && input_data)
{
wiiuinput = input_wiiu.init();
*input = wiiuinput ? &input_wiiu : NULL;
*input_data = wiiuinput;
}
/* video init */
wiiu->cmd_buffer = MEM2_alloc(0x400000, 0x40);
u32 init_attributes[] =
{
GX2_INIT_CMD_BUF_BASE, (u32)wiiu->cmd_buffer,
GX2_INIT_CMD_BUF_POOL_SIZE, 0x400000,
GX2_INIT_ARGC, 0,
GX2_INIT_ARGV, 0,
GX2_INIT_END
};
GX2Init(init_attributes);
/* setup scanbuffers */
u32 size = 0;
u32 tmp = 0;
wiiu->render_mode = wiiu_render_mode_map[GX2GetSystemTVScanMode()];
GX2CalcTVSize(wiiu->render_mode.mode, GX2_SURFACE_FORMAT_UNORM_R8_G8_B8_A8, GX2_BUFFERING_MODE_DOUBLE, &size, &tmp);
wiiu->tv_scan_buffer = MEMBucket_alloc(size, GX2_SCAN_BUFFER_ALIGNMENT);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU, wiiu->tv_scan_buffer, size);
GX2SetTVBuffer(wiiu->tv_scan_buffer, size, wiiu->render_mode.mode, GX2_SURFACE_FORMAT_UNORM_R8_G8_B8_A8,
GX2_BUFFERING_MODE_DOUBLE);
GX2CalcDRCSize(GX2_DRC_RENDER_MODE_SINGLE, GX2_SURFACE_FORMAT_UNORM_R8_G8_B8_A8, GX2_BUFFERING_MODE_DOUBLE, &size,
&tmp);
wiiu->drc_scan_buffer = MEMBucket_alloc(size, GX2_SCAN_BUFFER_ALIGNMENT);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU, wiiu->drc_scan_buffer, size);
GX2SetDRCBuffer(wiiu->drc_scan_buffer, size, GX2_DRC_RENDER_MODE_SINGLE, GX2_SURFACE_FORMAT_UNORM_R8_G8_B8_A8,
GX2_BUFFERING_MODE_DOUBLE);
memset(&wiiu->color_buffer, 0, sizeof(GX2ColorBuffer));
wiiu->color_buffer.surface.dim = GX2_SURFACE_DIM_TEXTURE_2D;
wiiu->color_buffer.surface.width = wiiu->render_mode.width;
wiiu->color_buffer.surface.height = wiiu->render_mode.height;
wiiu->color_buffer.surface.depth = 1;
wiiu->color_buffer.surface.mipLevels = 1;
wiiu->color_buffer.surface.format = GX2_SURFACE_FORMAT_UNORM_R8_G8_B8_A8;
wiiu->color_buffer.surface.use = GX2_SURFACE_USE_TEXTURE_COLOR_BUFFER_TV;
wiiu->color_buffer.viewNumSlices = 1;
GX2CalcSurfaceSizeAndAlignment(&wiiu->color_buffer.surface);
GX2InitColorBufferRegs(&wiiu->color_buffer);
wiiu->color_buffer.surface.image = MEM1_alloc(wiiu->color_buffer.surface.imageSize,
wiiu->color_buffer.surface.alignment);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU, wiiu->color_buffer.surface.image, wiiu->color_buffer.surface.imageSize);
wiiu->ctx_state = (GX2ContextState*)MEM2_alloc(sizeof(GX2ContextState), GX2_CONTEXT_STATE_ALIGNMENT);
GX2SetupContextStateEx(wiiu->ctx_state, GX2_TRUE);
GX2SetContextState(wiiu->ctx_state);
GX2SetColorBuffer(&wiiu->color_buffer, GX2_RENDER_TARGET_0);
GX2SetViewport(0.0f, 0.0f, wiiu->color_buffer.surface.width, wiiu->color_buffer.surface.height, 0.0f, 1.0f);
GX2SetScissor(0, 0, wiiu->color_buffer.surface.width, wiiu->color_buffer.surface.height);
GX2SetDepthOnlyControl(GX2_DISABLE, GX2_DISABLE, GX2_COMPARE_FUNC_ALWAYS);
GX2SetColorControl(GX2_LOGIC_OP_COPY, 1, GX2_DISABLE, GX2_ENABLE);
#if 1
GX2SetBlendControl(GX2_RENDER_TARGET_0, GX2_BLEND_MODE_SRC_ALPHA, GX2_BLEND_MODE_INV_SRC_ALPHA, GX2_BLEND_COMBINE_MODE_ADD,
GX2_ENABLE, GX2_BLEND_MODE_SRC_ALPHA, GX2_BLEND_MODE_INV_SRC_ALPHA, GX2_BLEND_COMBINE_MODE_ADD);
#else
GX2SetBlendControl(GX2_RENDER_TARGET_0, GX2_BLEND_MODE_ONE, GX2_BLEND_MODE_ZERO, GX2_BLEND_COMBINE_MODE_ADD,
GX2_DISABLE, GX2_BLEND_MODE_ONE, GX2_BLEND_MODE_ZERO, GX2_BLEND_COMBINE_MODE_ADD);
#endif
GX2SetCullOnlyControl(GX2_FRONT_FACE_CCW, GX2_DISABLE, GX2_DISABLE);
#ifdef GX2_CAN_ACCESS_DATA_SECTION
wiiu->shader = &tex_shader;
#else
/* init shader */
// wiiu->shader = MEM2_alloc(sizeof(*wiiu->shader), GX2_VERTEX_BUFFER_ALIGNMENT);
wiiu->shader = MEM2_alloc(sizeof(tex_shader), 0x1000);
memcpy(wiiu->shader, &tex_shader, sizeof(tex_shader));
GX2Invalidate(GX2_INVALIDATE_MODE_CPU, wiiu->shader, sizeof(tex_shader));
wiiu->shader->vs.program = MEM2_alloc(wiiu->shader->vs.size, GX2_SHADER_ALIGNMENT);
memcpy(wiiu->shader->vs.program, tex_shader.vs.program, wiiu->shader->vs.size);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_SHADER, wiiu->shader->vs.program, wiiu->shader->vs.size);
wiiu->shader->vs.attribVars = MEM2_alloc(wiiu->shader->vs.attribVarCount * sizeof(GX2AttribVar),
GX2_SHADER_ALIGNMENT);
memcpy(wiiu->shader->vs.attribVars, tex_shader.vs.attribVars ,
wiiu->shader->vs.attribVarCount * sizeof(GX2AttribVar));
wiiu->shader->ps.program = MEM2_alloc(wiiu->shader->ps.size, GX2_SHADER_ALIGNMENT);
memcpy(wiiu->shader->ps.program, tex_shader.ps.program, wiiu->shader->ps.size);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_SHADER, wiiu->shader->ps.program, wiiu->shader->ps.size);
wiiu->shader->ps.samplerVars = MEM2_alloc(wiiu->shader->ps.samplerVarCount * sizeof(GX2SamplerVar),
GX2_SHADER_ALIGNMENT);
memcpy(wiiu->shader->ps.samplerVars, tex_shader.ps.samplerVars,
wiiu->shader->ps.samplerVarCount * sizeof(GX2SamplerVar));
#endif
wiiu->shader->fs.size = GX2CalcFetchShaderSizeEx(2, GX2_FETCH_SHADER_TESSELLATION_NONE, GX2_TESSELLATION_MODE_DISCRETE);
wiiu->shader->fs.program = MEM2_alloc(wiiu->shader->fs.size, GX2_SHADER_ALIGNMENT);
GX2InitFetchShaderEx(&wiiu->shader->fs, (uint8_t*)wiiu->shader->fs.program,
sizeof(wiiu->shader->attribute_stream) / sizeof(GX2AttribStream),
(GX2AttribStream*)&wiiu->shader->attribute_stream,
GX2_FETCH_SHADER_TESSELLATION_NONE, GX2_TESSELLATION_MODE_DISCRETE);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_SHADER, wiiu->shader->fs.program, wiiu->shader->fs.size);
GX2SetVertexShader(&wiiu->shader->vs);
GX2SetPixelShader(&wiiu->shader->ps);
GX2SetFetchShader(&wiiu->shader->fs);
wiiu->position = MEM2_alloc(4 * sizeof(*wiiu->position), GX2_VERTEX_BUFFER_ALIGNMENT);
wiiu_set_position(wiiu->position, &wiiu->color_buffer, 0, 0, wiiu->color_buffer.surface.width, wiiu->color_buffer.surface.height);
wiiu->tex_coord = MEM2_alloc(4 * sizeof(*wiiu->tex_coord), GX2_VERTEX_BUFFER_ALIGNMENT);
wiiu_set_tex_coords(wiiu->tex_coord, &wiiu->texture, 0, 0, wiiu->texture.surface.width, wiiu->texture.surface.height);
GX2SetAttribBuffer(0, 4 * sizeof(*wiiu->position), sizeof(*wiiu->position), wiiu->position);
GX2SetAttribBuffer(1, 4 * sizeof(*wiiu->tex_coord), sizeof(*wiiu->tex_coord), wiiu->tex_coord);
wiiu->menu.position = MEM2_alloc(4 * sizeof(*wiiu->menu.position), GX2_VERTEX_BUFFER_ALIGNMENT);
wiiu_set_position(wiiu->menu.position, &wiiu->color_buffer, 0, 0, wiiu->color_buffer.surface.width, wiiu->color_buffer.surface.height);
wiiu->menu.tex_coord = MEM2_alloc(4 * sizeof(*wiiu->menu.tex_coord), GX2_VERTEX_BUFFER_ALIGNMENT);
wiiu_set_tex_coords(wiiu->menu.tex_coord, &wiiu->menu.texture, 0, 0, wiiu->menu.texture.surface.width, wiiu->menu.texture.surface.height);
/* init frame texture */
memset(&wiiu->texture, 0, sizeof(GX2Texture));
wiiu->texture.surface.width = video->input_scale * RARCH_SCALE_BASE;
wiiu->texture.surface.height = video->input_scale * RARCH_SCALE_BASE;
wiiu->texture.surface.depth = 1;
wiiu->texture.surface.dim = GX2_SURFACE_DIM_TEXTURE_2D;
wiiu->texture.surface.tileMode = GX2_TILE_MODE_LINEAR_ALIGNED;
wiiu->texture.viewNumSlices = 1;
wiiu->rgb32 = video->rgb32;
if(wiiu->rgb32)
{
wiiu->texture.surface.format = GX2_SURFACE_FORMAT_UNORM_R8_G8_B8_A8;
wiiu->texture.compMap = GX2_COMP_SEL(_G, _B, _A, _1);
}
else
{
wiiu->texture.surface.format = GX2_SURFACE_FORMAT_UNORM_R5_G6_B5;
wiiu->texture.compMap = GX2_COMP_SEL(_B, _G, _R, _1);
}
GX2CalcSurfaceSizeAndAlignment(&wiiu->texture.surface);
GX2InitTextureRegs(&wiiu->texture);
wiiu->texture.surface.image = MEM2_alloc(wiiu->texture.surface.imageSize,
wiiu->texture.surface.alignment);
memset(wiiu->texture.surface.image, 0x0, wiiu->texture.surface.imageSize);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_TEXTURE, wiiu->texture.surface.image,
wiiu->texture.surface.imageSize);
/* init menu texture */
memset(&wiiu->menu.texture, 0, sizeof(GX2Texture));
wiiu->menu.texture.surface.width = 512;
wiiu->menu.texture.surface.height = 512;
wiiu->menu.texture.surface.depth = 1;
wiiu->menu.texture.surface.dim = GX2_SURFACE_DIM_TEXTURE_2D;
wiiu->menu.texture.surface.format = GX2_SURFACE_FORMAT_UNORM_R4_G4_B4_A4;
wiiu->menu.texture.surface.tileMode = GX2_TILE_MODE_LINEAR_ALIGNED;
wiiu->menu.texture.viewNumSlices = 1;
wiiu->menu.texture.compMap = GX2_COMP_SEL(_A, _R, _G, _B);
GX2CalcSurfaceSizeAndAlignment(&wiiu->menu.texture.surface);
GX2InitTextureRegs(&wiiu->menu.texture);
wiiu->menu.texture.surface.image = MEM2_alloc(wiiu->menu.texture.surface.imageSize,
wiiu->menu.texture.surface.alignment);
memset(wiiu->menu.texture.surface.image, 0x0, wiiu->menu.texture.surface.imageSize);
GX2Invalidate(GX2_INVALIDATE_MODE_CPU_TEXTURE, wiiu->menu.texture.surface.image,
wiiu->menu.texture.surface.imageSize);
/* init samplers */
GX2InitSampler(&wiiu->sampler_nearest, GX2_TEX_CLAMP_MODE_CLAMP, GX2_TEX_XY_FILTER_MODE_POINT);
GX2InitSampler(&wiiu->sampler_linear, GX2_TEX_CLAMP_MODE_CLAMP, GX2_TEX_XY_FILTER_MODE_LINEAR);
/* set Texture and Sampler */
GX2SetPixelTexture(&wiiu->texture, wiiu->shader->sampler.location);
GX2SetPixelSampler(&wiiu->sampler_linear, wiiu->shader->sampler.location);
/* clear leftover image */
GX2ClearColor(&wiiu->color_buffer, 0.0f, 0.0f, 0.0f, 1.0f);
GX2CopyColorBufferToScanBuffer(&wiiu->color_buffer, GX2_SCAN_TARGET_DRC);
GX2CopyColorBufferToScanBuffer(&wiiu->color_buffer, GX2_SCAN_TARGET_TV);
GX2SwapScanBuffers();
GX2Flush();
GX2WaitForVsync();
GX2SetTVEnable(GX2_ENABLE);
GX2SetDRCEnable(GX2_ENABLE);
wiiu->keep_aspect = true;
wiiu->should_resize = true;
wiiu->smooth = video->smooth;
wiiu->vsync = video->vsync;
GX2SetSwapInterval(!!video->vsync);
wiiu->vp.x = 0;
wiiu->vp.y = 0;
wiiu->vp.width = 854;
wiiu->vp.height = 480;
wiiu->vp.full_width = 854;
wiiu->vp.full_height = 480;
video_driver_set_size(&wiiu->vp.width, &wiiu->vp.height);
float refresh_rate = 60.0f / 1.001f;
driver_ctl(RARCH_DRIVER_CTL_SET_REFRESH_RATE, &refresh_rate);
return wiiu;
}