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https://github.com/hrydgard/ppsspp.git
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106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
// Copyright (c) 2015- PPSSPP Project.
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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, version 2.0 or later versions.
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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 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include <cstring>
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class GPUInterface;
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class GPUDebugInterface;
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class GraphicsContext;
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enum SkipDrawReasonFlags {
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SKIPDRAW_SKIPFRAME = 1,
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SKIPDRAW_NON_DISPLAYED_FB = 2, // Skip drawing to FBO:s that have not been displayed.
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SKIPDRAW_BAD_FB_TEXTURE = 4,
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SKIPDRAW_WINDOW_MINIMIZED = 8, // Don't draw when the host window is minimized.
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};
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// Global GPU-related utility functions.
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// Nothing directly Ge-related in here.
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// PSP uses a curious 24-bit float - it's the top 24 bits of a regular IEEE754 32-bit float.
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// This is used for light positions, transform matrices, you name it.
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inline float getFloat24(unsigned int data) {
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data <<= 8;
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float f;
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memcpy(&f, &data, 4);
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return f;
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}
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// in case we ever want to generate PSP display lists...
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inline unsigned int toFloat24(float f) {
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unsigned int i;
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memcpy(&i, &f, 4);
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return i >> 8;
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}
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struct GPUStatistics {
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void Reset() {
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// Never add a vtable :)
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memset(this, 0, sizeof(*this));
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}
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void ResetFrame() {
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numDrawCalls = 0;
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numCachedDrawCalls = 0;
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numVertsSubmitted = 0;
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numCachedVertsDrawn = 0;
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numUncachedVertsDrawn = 0;
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numTrackedVertexArrays = 0;
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numTextureInvalidations = 0;
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numTextureSwitches = 0;
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numShaderSwitches = 0;
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numFlushes = 0;
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numTexturesDecoded = 0;
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msProcessingDisplayLists = 0;
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vertexGPUCycles = 0;
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otherGPUCycles = 0;
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memset(gpuCommandsAtCallLevel, 0, sizeof(gpuCommandsAtCallLevel));
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}
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// Per frame statistics
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int numDrawCalls;
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int numCachedDrawCalls;
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int numFlushes;
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int numVertsSubmitted;
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int numCachedVertsDrawn;
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int numUncachedVertsDrawn;
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int numTrackedVertexArrays;
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int numTextureInvalidations;
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int numTextureSwitches;
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int numShaderSwitches;
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int numTexturesDecoded;
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double msProcessingDisplayLists;
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int vertexGPUCycles;
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int otherGPUCycles;
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int gpuCommandsAtCallLevel[4];
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// Total statistics, updated by the GPU core in UpdateStats
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int numVBlanks;
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int numFlips;
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};
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extern GPUStatistics gpuStats;
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extern GPUInterface *gpu;
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extern GPUDebugInterface *gpuDebug;
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class Thin3DContext;
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bool GPU_Init(GraphicsContext *ctx, Thin3DContext *thin3d);
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void GPU_Shutdown();
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