mirror of
https://github.com/wiiu-env/homebrew_launcher.git
synced 2024-06-28 11:46:03 +02:00
291 lines
12 KiB
C++
291 lines
12 KiB
C++
/****************************************************************************
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* Copyright (C) 2015 Dimok
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include <malloc.h>
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#include <string.h>
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#include "CVideo.h"
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#include "system/memory.h"
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#include "shaders/Texture2DShader.h"
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#include "shaders/ColorShader.h"
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#include "shaders/Shader3D.h"
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#include "shaders/ShaderFractalColor.h"
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#include "shaders/FXAAShader.h"
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#include "dynamic_libs/os_functions.h"
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CVideo::CVideo(s32 forceTvScanMode, s32 forceDrcScanMode)
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{
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tvEnabled = false;
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drcEnabled = false;
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//! allocate MEM2 command buffer memory
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gx2CommandBuffer = MEM2_alloc(GX2_COMMAND_BUFFER_SIZE, 0x40);
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//! initialize GX2 command buffer
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u32 gx2_init_attributes[9];
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gx2_init_attributes[0] = GX2_INIT_ATTRIB_CB_BASE;
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gx2_init_attributes[1] = (u32)gx2CommandBuffer;
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gx2_init_attributes[2] = GX2_INIT_ATTRIB_CB_SIZE;
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gx2_init_attributes[3] = GX2_COMMAND_BUFFER_SIZE;
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gx2_init_attributes[4] = GX2_INIT_ATTRIB_ARGC;
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gx2_init_attributes[5] = 0;
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gx2_init_attributes[6] = GX2_INIT_ATTRIB_ARGV;
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gx2_init_attributes[7] = 0;
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gx2_init_attributes[8] = GX2_INIT_ATTRIB_NULL;
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GX2Init(gx2_init_attributes);
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//! GX2 resources are not used in this application but if needed, the allocator is setup
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GX2RSetAllocator(&CVideo::GX2RAlloc, &CVideo::GX2RFree);
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u32 scanBufferSize = 0;
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s32 scaleNeeded = 0;
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s32 tvScanMode = (forceTvScanMode >= 0) ? forceTvScanMode : GX2GetSystemTVScanMode();
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s32 drcScanMode = (forceDrcScanMode >= 0) ? forceDrcScanMode : GX2GetSystemDRCScanMode();
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s32 tvRenderMode;
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u32 tvWidth = 0;
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u32 tvHeight = 0;
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switch(tvScanMode)
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{
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case GX2_TV_SCAN_MODE_480I:
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case GX2_TV_SCAN_MODE_480P:
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tvWidth = 854;
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tvHeight = 480;
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tvRenderMode = GX2_TV_RENDER_480_WIDE;
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break;
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case GX2_TV_SCAN_MODE_1080I:
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case GX2_TV_SCAN_MODE_1080P:
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tvWidth = 1920;
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tvHeight = 1080;
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tvRenderMode = GX2_TV_RENDER_1080;
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break;
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case GX2_TV_SCAN_MODE_720P:
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default:
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tvWidth = 1280;
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tvHeight = 720;
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tvRenderMode = GX2_TV_RENDER_720;
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break;
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}
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s32 tvAAMode = GX2_AA_MODE_1X;
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s32 drcAAMode = GX2_AA_MODE_4X;
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//! calculate the scale factor for later texture resize
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widthScaleFactor = 1.0f / (f32)tvWidth;
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heightScaleFactor = 1.0f / (f32)tvHeight;
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depthScaleFactor = widthScaleFactor;
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//! calculate the size needed for the TV scan buffer and allocate the buffer from bucket memory
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GX2CalcTVSize(tvRenderMode, GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_UNORM, GX2_BUFFERING_DOUBLE, &scanBufferSize, &scaleNeeded);
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tvScanBuffer = MEMBucket_alloc(scanBufferSize, GX2_SCAN_BUFFER_ALIGNMENT);
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GX2Invalidate(GX2_INVALIDATE_CPU, tvScanBuffer, scanBufferSize);
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GX2SetTVBuffer(tvScanBuffer, scanBufferSize, tvRenderMode, GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_UNORM, GX2_BUFFERING_DOUBLE);
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//! calculate the size needed for the DRC scan buffer and allocate the buffer from bucket memory
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GX2CalcDRCSize(drcScanMode, GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_UNORM, GX2_BUFFERING_DOUBLE, &scanBufferSize, &scaleNeeded);
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drcScanBuffer = MEMBucket_alloc(scanBufferSize, GX2_SCAN_BUFFER_ALIGNMENT);
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GX2Invalidate(GX2_INVALIDATE_CPU, drcScanBuffer, scanBufferSize);
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GX2SetDRCBuffer(drcScanBuffer, scanBufferSize, drcScanMode, GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_UNORM, GX2_BUFFERING_DOUBLE);
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//! Setup color buffer for TV rendering
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GX2InitColorBuffer(&tvColorBuffer, GX2_SURFACE_DIM_2D, tvWidth, tvHeight, 1, GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_UNORM, tvAAMode);
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tvColorBuffer.surface.image_data = MEM1_alloc(tvColorBuffer.surface.image_size, tvColorBuffer.surface.align);
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GX2Invalidate(GX2_INVALIDATE_CPU, tvColorBuffer.surface.image_data, tvColorBuffer.surface.image_size);
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//! due to AA we can only use 16 bit depth buffer in MEM1 otherwise we would have to switch to mem2 for depth buffer
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//! this should be ok for our purpose i guess
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//! Setup TV depth buffer (can be the same for both if rendered one after another)
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u32 size, align;
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GX2InitDepthBuffer(&tvDepthBuffer, GX2_SURFACE_DIM_2D, tvColorBuffer.surface.width, tvColorBuffer.surface.height, 1, GX2_SURFACE_FORMAT_TCD_R32_FLOAT, tvAAMode);
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tvDepthBuffer.surface.image_data = MEM1_alloc(tvDepthBuffer.surface.image_size, tvDepthBuffer.surface.align);
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GX2Invalidate(GX2_INVALIDATE_CPU, tvDepthBuffer.surface.image_data, tvDepthBuffer.surface.image_size);
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//! Setup TV HiZ buffer
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GX2CalcDepthBufferHiZInfo(&tvDepthBuffer, &size, &align);
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tvDepthBuffer.hiZ_data = MEM1_alloc(size, align);
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GX2Invalidate(GX2_INVALIDATE_CPU, tvDepthBuffer.hiZ_data, size);
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GX2InitDepthBufferHiZEnable(&tvDepthBuffer, GX2_ENABLE);
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//! Setup color buffer for DRC rendering
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GX2InitColorBuffer(&drcColorBuffer, GX2_SURFACE_DIM_2D, 854, 480, 1, GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_UNORM, drcAAMode);
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drcColorBuffer.surface.image_data = MEM1_alloc(drcColorBuffer.surface.image_size, drcColorBuffer.surface.align);
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GX2Invalidate(GX2_INVALIDATE_CPU, drcColorBuffer.surface.image_data, drcColorBuffer.surface.image_size);
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//! Setup DRC depth buffer (can be the same for both if rendered one after another)
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GX2InitDepthBuffer(&drcDepthBuffer, GX2_SURFACE_DIM_2D, drcColorBuffer.surface.width, drcColorBuffer.surface.height, 1, GX2_SURFACE_FORMAT_TCD_R32_FLOAT, drcAAMode);
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drcDepthBuffer.surface.image_data = MEM1_alloc(drcDepthBuffer.surface.image_size, drcDepthBuffer.surface.align);
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GX2Invalidate(GX2_INVALIDATE_CPU, drcDepthBuffer.surface.image_data, drcDepthBuffer.surface.image_size);
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//! Setup DRC HiZ buffer
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GX2CalcDepthBufferHiZInfo(&drcDepthBuffer, &size, &align);
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drcDepthBuffer.hiZ_data = MEM1_alloc(size, align);
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GX2Invalidate(GX2_INVALIDATE_CPU, drcDepthBuffer.hiZ_data, size);
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GX2InitDepthBufferHiZEnable(&drcDepthBuffer, GX2_ENABLE);
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//! allocate auxilary buffer last as there might not be enough MEM1 left for other stuff after that
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if (tvColorBuffer.surface.aa)
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{
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u32 auxSize, auxAlign;
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GX2CalcColorBufferAuxInfo(&tvColorBuffer, &auxSize, &auxAlign);
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tvColorBuffer.aux_data = MEM1_alloc(auxSize, auxAlign);
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if(!tvColorBuffer.aux_data)
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tvColorBuffer.aux_data = MEM2_alloc(auxSize, auxAlign);
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tvColorBuffer.aux_size = auxSize;
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memset(tvColorBuffer.aux_data, GX2_AUX_BUFFER_CLEAR_VALUE, auxSize);
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GX2Invalidate(GX2_INVALIDATE_CPU, tvColorBuffer.aux_data, auxSize);
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}
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if (drcColorBuffer.surface.aa)
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{
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u32 auxSize, auxAlign;
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GX2CalcColorBufferAuxInfo(&drcColorBuffer, &auxSize, &auxAlign);
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drcColorBuffer.aux_data = MEM1_alloc(auxSize, auxAlign);
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if(!drcColorBuffer.aux_data)
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drcColorBuffer.aux_data = MEM2_alloc(auxSize, auxAlign);
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drcColorBuffer.aux_size = auxSize;
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memset(drcColorBuffer.aux_data, GX2_AUX_BUFFER_CLEAR_VALUE, auxSize);
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GX2Invalidate(GX2_INVALIDATE_CPU, drcColorBuffer.aux_data, auxSize );
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}
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//! allocate memory and setup context state TV
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tvContextState = (GX2ContextState*)MEM2_alloc(sizeof(GX2ContextState), GX2_CONTEXT_STATE_ALIGNMENT);
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GX2SetupContextStateEx(tvContextState, GX2_TRUE);
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//! allocate memory and setup context state DRC
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drcContextState = (GX2ContextState*)MEM2_alloc(sizeof(GX2ContextState), GX2_CONTEXT_STATE_ALIGNMENT);
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GX2SetupContextStateEx(drcContextState, GX2_TRUE);
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//! set initial context state and render buffers
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GX2SetContextState(tvContextState);
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GX2SetColorBuffer(&tvColorBuffer, GX2_RENDER_TARGET_0);
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GX2SetDepthBuffer(&tvDepthBuffer);
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GX2SetContextState(drcContextState);
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GX2SetColorBuffer(&drcColorBuffer, GX2_RENDER_TARGET_0);
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GX2SetDepthBuffer(&drcDepthBuffer);
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//! set initial viewport
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GX2SetViewport(0.0f, 0.0f, tvColorBuffer.surface.width, tvColorBuffer.surface.height, 0.0f, 1.0f);
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GX2SetScissor(0, 0, tvColorBuffer.surface.width, tvColorBuffer.surface.height);
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//! this is not necessary but can be used for swap counting and vsyncs
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GX2SetSwapInterval(1);
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//GX2SetTVGamma(0.8f);
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//GX2SetDRCGamma(0.8f);
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//! initialize perspective matrix
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const float cam_X_rot = 25.0f;
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projectionMtx = glm::perspective(45.0f, 1.0f, 0.1f, 100.0f);
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viewMtx = glm::mat4(1.0f);
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viewMtx = glm::translate(viewMtx, glm::vec3(0.0f, 0.0f, -2.5f));
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viewMtx = glm::rotate(viewMtx, DegToRad(cam_X_rot), glm::vec3(1.0f, 0.0f, 0.0f));
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GX2InitSampler(&aaSampler, GX2_TEX_CLAMP_CLAMP, GX2_TEX_XY_FILTER_BILINEAR);
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GX2InitTexture(&tvAaTexture, tvColorBuffer.surface.width, tvColorBuffer.surface.height, 1, 0, GX2_SURFACE_FORMAT_TCS_R8_G8_B8_A8_UNORM, GX2_SURFACE_DIM_2D, GX2_TILE_MODE_DEFAULT);
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tvAaTexture.surface.image_data = tvColorBuffer.surface.image_data;
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tvAaTexture.surface.image_size = tvColorBuffer.surface.image_size;
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tvAaTexture.surface.mip_data = tvColorBuffer.surface.mip_data;
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}
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CVideo::~CVideo()
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{
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//! flush buffers
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GX2Flush();
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GX2DrawDone();
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//! shutdown
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GX2Shutdown();
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//! free command buffer memory
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MEM2_free(gx2CommandBuffer);
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//! free scan buffers
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MEMBucket_free(tvScanBuffer);
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MEMBucket_free(drcScanBuffer);
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//! free color buffers
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MEM1_free(tvColorBuffer.surface.image_data);
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MEM1_free(drcColorBuffer.surface.image_data);
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//! free depth buffers
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MEM1_free(tvDepthBuffer.surface.image_data);
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MEM1_free(tvDepthBuffer.hiZ_data);
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MEM1_free(drcDepthBuffer.surface.image_data);
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MEM1_free(drcDepthBuffer.hiZ_data);
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//! free context buffers
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MEM2_free(tvContextState);
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MEM2_free(drcContextState);
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//! free aux buffer
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if(tvColorBuffer.aux_data)
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{
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if(((u32)tvColorBuffer.aux_data & 0xF0000000) == 0xF0000000)
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MEM1_free(tvColorBuffer.aux_data);
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else
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MEM2_free(tvColorBuffer.aux_data);
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}
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if(drcColorBuffer.aux_data)
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{
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if(((u32)drcColorBuffer.aux_data & 0xF0000000) == 0xF0000000)
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MEM1_free(drcColorBuffer.aux_data);
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else
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MEM2_free(drcColorBuffer.aux_data);
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}
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//! destroy shaders
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ColorShader::destroyInstance();
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FXAAShader::destroyInstance();
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Shader3D::destroyInstance();
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ShaderFractalColor::destroyInstance();
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Texture2DShader::destroyInstance();
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}
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void CVideo::renderFXAA(const GX2Texture * texture, const GX2Sampler *sampler)
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{
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resolution[0] = texture->surface.width;
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resolution[1] = texture->surface.height;
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GX2Invalidate(GX2_INVALIDATE_COLOR_BUFFER | GX2_INVALIDATE_TEXTURE, texture->surface.image_data, texture->surface.image_size);
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GX2SetDepthOnlyControl(GX2_ENABLE, GX2_ENABLE, GX2_COMPARE_ALWAYS);
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FXAAShader::instance()->setShaders();
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FXAAShader::instance()->setAttributeBuffer();
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FXAAShader::instance()->setResolution(resolution);
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FXAAShader::instance()->setTextureAndSampler(texture, sampler);
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FXAAShader::instance()->draw();
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GX2SetDepthOnlyControl(GX2_ENABLE, GX2_ENABLE, GX2_COMPARE_LEQUAL);
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}
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void* CVideo::GX2RAlloc(u32 flags, u32 size, u32 align)
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{
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//! min. alignment
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if (align < 4)
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align = 4;
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if ((flags & 0x2040E) && !(flags & 0x40000))
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return MEM1_alloc(size, align);
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else
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return MEM2_alloc(size, align);
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}
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void CVideo::GX2RFree(u32 flags, void* p)
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{
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if ((flags & 0x2040E) && !(flags & 0x40000))
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MEM1_free(p);
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else
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MEM2_free(p);
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}
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