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dolphin/Source/Plugins/Plugin_VideoOGL/Src/TextureCache.cpp

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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <vector>
#include <cmath>
#include <fstream>
#ifdef _WIN32
#define _interlockedbittestandset workaround_ms_header_bug_platform_sdk6_set
#define _interlockedbittestandreset workaround_ms_header_bug_platform_sdk6_reset
#define _interlockedbittestandset64 workaround_ms_header_bug_platform_sdk6_set64
#define _interlockedbittestandreset64 workaround_ms_header_bug_platform_sdk6_reset64
#include <intrin.h>
#undef _interlockedbittestandset
#undef _interlockedbittestandreset
#undef _interlockedbittestandset64
#undef _interlockedbittestandreset64
#endif
#include "BPStructs.h"
#include "CommonPaths.h"
#include "FileUtil.h"
#include "FramebufferManager.h"
#include "Globals.h"
#include "Hash.h"
#include "HiresTextures.h"
#include "HW/Memmap.h"
#include "ImageWrite.h"
#include "MemoryUtil.h"
#include "ProgramShaderCache.h"
#include "PixelShaderManager.h"
#include "Render.h"
#include "Statistics.h"
#include "StringUtil.h"
#include "TextureCache.h"
#include "TextureConverter.h"
#include "TextureDecoder.h"
#include "VertexShaderManager.h"
#include "VideoConfig.h"
namespace OGL
{
static SHADER s_ColorMatrixProgram;
static SHADER s_DepthMatrixProgram;
static GLuint s_ColorMatrixUniform;
static GLuint s_DepthMatrixUniform;
static u32 s_ColorCbufid;
static u32 s_DepthCbufid;
static u32 s_Textures[8];
static u32 s_ActiveTexture;
static u32 s_NextStage;
struct VBOCache {
GLuint vbo;
GLuint vao;
TargetRectangle targetSource;
};
static std::map<u64,VBOCache> s_VBO;
bool SaveTexture(const char* filename, u32 textarget, u32 tex, int virtual_width, int virtual_height, unsigned int level)
{
#ifndef USE_GLES3
int width = std::max(virtual_width >> level, 1);
int height = std::max(virtual_height >> level, 1);
std::vector<u32> data(width * height);
glActiveTexture(GL_TEXTURE0+9);
glBindTexture(textarget, tex);
glGetTexImage(textarget, level, GL_BGRA, GL_UNSIGNED_BYTE, &data[0]);
glBindTexture(textarget, 0);
TextureCache::SetStage();
const GLenum err = GL_REPORT_ERROR();
if (GL_NO_ERROR != err)
{
PanicAlert("Can't save texture, GL Error: %s", gluErrorString(err));
return false;
}
return SaveTGA(filename, width, height, &data[0]);
#else
return false;
#endif
}
TextureCache::TCacheEntry::~TCacheEntry()
{
if (texture)
{
for(int i=0; i<8; i++)
if(s_Textures[i] == texture)
s_Textures[i] = 0;
glDeleteTextures(1, &texture);
texture = 0;
}
if (framebuffer)
{
glDeleteFramebuffers(1, &framebuffer);
framebuffer = 0;
}
}
TextureCache::TCacheEntry::TCacheEntry()
{
glGenTextures(1, &texture);
GL_REPORT_ERRORD();
framebuffer = 0;
}
void TextureCache::TCacheEntry::Bind(unsigned int stage)
{
if (s_Textures[stage] != texture)
{
if (s_ActiveTexture != stage)
{
glActiveTexture(GL_TEXTURE0 + stage);
s_ActiveTexture = stage;
}
glBindTexture(GL_TEXTURE_2D, texture);
s_Textures[stage] = texture;
}
}
bool TextureCache::TCacheEntry::Save(const char filename[], unsigned int level)
{
// TODO: make ogl dump PNGs
std::string tga_filename(filename);
tga_filename.replace(tga_filename.size() - 3, 3, "tga");
return SaveTexture(tga_filename.c_str(), GL_TEXTURE_2D, texture, virtual_width, virtual_height, level);
}
TextureCache::TCacheEntryBase* TextureCache::CreateTexture(unsigned int width,
unsigned int height, unsigned int expanded_width,
unsigned int tex_levels, PC_TexFormat pcfmt)
{
int gl_format = 0,
gl_iformat = 0,
gl_type = 0;
if (pcfmt != PC_TEX_FMT_DXT1)
{
switch (pcfmt)
{
default:
case PC_TEX_FMT_NONE:
PanicAlert("Invalid PC texture format %i", pcfmt);
case PC_TEX_FMT_BGRA32:
gl_format = GL_BGRA;
gl_iformat = GL_RGBA;
gl_type = GL_UNSIGNED_BYTE;
break;
case PC_TEX_FMT_RGBA32:
gl_format = GL_RGBA;
gl_iformat = GL_RGBA;
gl_type = GL_UNSIGNED_BYTE;
break;
#ifndef USE_GLES3
case PC_TEX_FMT_I4_AS_I8:
gl_format = GL_LUMINANCE;
gl_iformat = GL_INTENSITY4;
gl_type = GL_UNSIGNED_BYTE;
break;
case PC_TEX_FMT_IA4_AS_IA8:
gl_format = GL_LUMINANCE_ALPHA;
gl_iformat = GL_LUMINANCE4_ALPHA4;
gl_type = GL_UNSIGNED_BYTE;
break;
case PC_TEX_FMT_I8:
gl_format = GL_LUMINANCE;
gl_iformat = GL_INTENSITY8;
gl_type = GL_UNSIGNED_BYTE;
break;
case PC_TEX_FMT_IA8:
gl_format = GL_LUMINANCE_ALPHA;
gl_iformat = GL_LUMINANCE8_ALPHA8;
gl_type = GL_UNSIGNED_BYTE;
break;
#endif
case PC_TEX_FMT_RGB565:
gl_format = GL_RGB;
gl_iformat = GL_RGB;
gl_type = GL_UNSIGNED_SHORT_5_6_5;
break;
}
}
TCacheEntry &entry = *new TCacheEntry;
entry.gl_format = gl_format;
entry.gl_iformat = gl_iformat;
entry.gl_type = gl_type;
entry.pcfmt = pcfmt;
entry.m_tex_levels = tex_levels;
entry.Load(width, height, expanded_width, 0);
return &entry;
}
void TextureCache::TCacheEntry::Load(unsigned int width, unsigned int height,
unsigned int expanded_width, unsigned int level)
{
if (s_ActiveTexture != s_NextStage)
{
glActiveTexture(GL_TEXTURE0 + s_NextStage);
s_ActiveTexture = s_NextStage;
}
if (s_Textures[s_NextStage] != texture)
{
glBindTexture(GL_TEXTURE_2D, texture);
s_Textures[s_NextStage] = texture;
}
// TODO: sloppy, just do this on creation?
if (level == 0)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, m_tex_levels - 1);
}
if (pcfmt != PC_TEX_FMT_DXT1)
{
if (expanded_width != width)
glPixelStorei(GL_UNPACK_ROW_LENGTH, expanded_width);
glTexImage2D(GL_TEXTURE_2D, level, gl_iformat, width, height, 0, gl_format, gl_type, temp);
if (expanded_width != width)
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
}
else
{
PanicAlert("PC_TEX_FMT_DXT1 support disabled");
//glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT,
//width, height, 0, expanded_width * expanded_height/2, temp);
}
GL_REPORT_ERRORD();
}
TextureCache::TCacheEntryBase* TextureCache::CreateRenderTargetTexture(
unsigned int scaled_tex_w, unsigned int scaled_tex_h)
{
TCacheEntry *const entry = new TCacheEntry;
glActiveTexture(GL_TEXTURE0+9);
glBindTexture(GL_TEXTURE_2D, entry->texture);
GL_REPORT_ERRORD();
const GLenum
gl_format = GL_RGBA,
gl_iformat = GL_RGBA,
gl_type = GL_UNSIGNED_BYTE;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
entry->m_tex_levels = 1;
glTexImage2D(GL_TEXTURE_2D, 0, gl_iformat, scaled_tex_w, scaled_tex_h, 0, gl_format, gl_type, NULL);
glBindTexture(GL_TEXTURE_2D, 0);
glGenFramebuffers(1, &entry->framebuffer);
FramebufferManager::SetFramebuffer(entry->framebuffer);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, entry->texture, 0);
GL_REPORT_FBO_ERROR();
SetStage();
GL_REPORT_ERRORD();
return entry;
}
void TextureCache::TCacheEntry::FromRenderTarget(u32 dstAddr, unsigned int dstFormat,
unsigned int srcFormat, const EFBRectangle& srcRect,
bool isIntensity, bool scaleByHalf, unsigned int cbufid,
const float *colmat)
{
g_renderer->ResetAPIState(); // reset any game specific settings
// Make sure to resolve anything we need to read from.
const GLuint read_texture = (srcFormat == PIXELFMT_Z24) ?
FramebufferManager::ResolveAndGetDepthTarget(srcRect) :
FramebufferManager::ResolveAndGetRenderTarget(srcRect);
GL_REPORT_ERRORD();
if (type != TCET_EC_DYNAMIC || g_ActiveConfig.bCopyEFBToTexture)
{
FramebufferManager::SetFramebuffer(framebuffer);
GL_REPORT_ERRORD();
glActiveTexture(GL_TEXTURE0+9);
glBindTexture(getFbType(), read_texture);
glViewport(0, 0, virtual_width, virtual_height);
if(srcFormat == PIXELFMT_Z24) {
s_DepthMatrixProgram.Bind();
if(s_DepthCbufid != cbufid)
glUniform4fv(s_DepthMatrixUniform, 5, colmat);
s_DepthCbufid = cbufid;
} else {
s_ColorMatrixProgram.Bind();
if(s_ColorCbufid != cbufid)
glUniform4fv(s_ColorMatrixUniform, 7, colmat);
s_ColorCbufid = cbufid;
}
GL_REPORT_ERRORD();
TargetRectangle targetSource = g_renderer->ConvertEFBRectangle(srcRect);
GL_REPORT_ERRORD();
// should be unique enough, if not, vbo will "only" be uploaded to much
u64 targetSourceHash = u64(targetSource.left)<<48 | u64(targetSource.top)<<32 | u64(targetSource.right)<<16 | u64(targetSource.bottom);
std::map<u64, VBOCache>::iterator vbo_it = s_VBO.find(targetSourceHash);
if(vbo_it == s_VBO.end()) {
VBOCache item;
item.targetSource.bottom = -1;
item.targetSource.top = -1;
item.targetSource.left = -1;
item.targetSource.right = -1;
glGenBuffers(1, &item.vbo);
glGenVertexArrays(1, &item.vao);
glBindBuffer(GL_ARRAY_BUFFER, item.vbo);
glBindVertexArray(item.vao);
glEnableVertexAttribArray(SHADER_POSITION_ATTRIB);
glVertexAttribPointer(SHADER_POSITION_ATTRIB, 2, GL_FLOAT, 0, sizeof(GLfloat)*4, (GLfloat*)NULL);
glEnableVertexAttribArray(SHADER_TEXTURE0_ATTRIB);
glVertexAttribPointer(SHADER_TEXTURE0_ATTRIB, 2, GL_FLOAT, 0, sizeof(GLfloat)*4, (GLfloat*)NULL+2);
vbo_it = s_VBO.insert(std::pair<u64,VBOCache>(targetSourceHash, item)).first;
}
if(!(vbo_it->second.targetSource == targetSource)) {
GLfloat vertices[] = {
-1.f, 1.f,
(GLfloat)targetSource.left, (GLfloat)targetSource.bottom,
-1.f, -1.f,
(GLfloat)targetSource.left, (GLfloat)targetSource.top,
1.f, 1.f,
(GLfloat)targetSource.right, (GLfloat)targetSource.bottom,
1.f, -1.f,
(GLfloat)targetSource.right, (GLfloat)targetSource.top
};
glBindBuffer(GL_ARRAY_BUFFER, vbo_it->second.vbo);
glBufferData(GL_ARRAY_BUFFER, 4*4*sizeof(GLfloat), vertices, GL_STREAM_DRAW);
vbo_it->second.targetSource = targetSource;
}
glBindVertexArray(vbo_it->second.vao);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
GL_REPORT_ERRORD();
}
if (false == g_ActiveConfig.bCopyEFBToTexture)
{
int encoded_size = TextureConverter::EncodeToRamFromTexture(
addr,
read_texture,
srcFormat == PIXELFMT_Z24,
isIntensity,
dstFormat,
scaleByHalf,
srcRect);
u8* dst = Memory::GetPointer(addr);
u64 const new_hash = GetHash64(dst,encoded_size,g_ActiveConfig.iSafeTextureCache_ColorSamples);
// Mark texture entries in destination address range dynamic unless caching is enabled and the texture entry is up to date
if (!g_ActiveConfig.bEFBCopyCacheEnable)
TextureCache::MakeRangeDynamic(addr,encoded_size);
else if (!TextureCache::Find(addr, new_hash))
TextureCache::MakeRangeDynamic(addr,encoded_size);
hash = new_hash;
}
FramebufferManager::SetFramebuffer(0);
VertexShaderManager::SetViewportChanged();
GL_REPORT_ERRORD();
if (g_ActiveConfig.bDumpEFBTarget)
{
static int count = 0;
SaveTexture(StringFromFormat("%sefb_frame_%i.tga", File::GetUserPath(D_DUMPTEXTURES_IDX).c_str(),
count++).c_str(), GL_TEXTURE_2D, texture, virtual_width, virtual_height, 0);
}
g_renderer->RestoreAPIState();
}
TextureCache::TextureCache()
{
const char *pColorMatrixProg =
"uniform sampler2DRect samp9;\n"
"uniform vec4 colmat[7];\n"
"VARYIN vec2 uv0;\n"
"out vec4 ocol0;\n"
"\n"
"void main(){\n"
" vec4 texcol = texture2DRect(samp9, uv0);\n"
" texcol = round(texcol * colmat[5]) * colmat[6];\n"
" ocol0 = texcol * mat4(colmat[0], colmat[1], colmat[2], colmat[3]) + colmat[4];\n"
"}\n";
const char *pDepthMatrixProg =
"uniform sampler2DRect samp9;\n"
"uniform vec4 colmat[5];\n"
"VARYIN vec2 uv0;\n"
"out vec4 ocol0;\n"
"\n"
"void main(){\n"
" vec4 texcol = texture2DRect(samp9, uv0);\n"
" vec4 EncodedDepth = fract((texcol.r * (16777215.0f/16777216.0f)) * vec4(1.0f,256.0f,256.0f*256.0f,1.0f));\n"
" texcol = round(EncodedDepth * (16777216.0f/16777215.0f) * vec4(255.0f,255.0f,255.0f,15.0f)) / vec4(255.0f,255.0f,255.0f,15.0f);\n"
" ocol0 = texcol * mat4(colmat[0], colmat[1], colmat[2], colmat[3]) + colmat[4];"
"}\n";
const char *VProgram =
"ATTRIN vec2 rawpos;\n"
"ATTRIN vec2 tex0;\n"
"VARYOUT vec2 uv0;\n"
"void main()\n"
"{\n"
" uv0 = tex0;\n"
" gl_Position = vec4(rawpos,0,1);\n"
"}\n";
ProgramShaderCache::CompileShader(s_ColorMatrixProgram, VProgram, pColorMatrixProg);
ProgramShaderCache::CompileShader(s_DepthMatrixProgram, VProgram, pDepthMatrixProg);
s_ColorMatrixUniform = glGetUniformLocation(s_ColorMatrixProgram.glprogid, "colmat");
s_DepthMatrixUniform = glGetUniformLocation(s_DepthMatrixProgram.glprogid, "colmat");
s_ColorCbufid = -1;
s_DepthCbufid = -1;
s_ActiveTexture = -1;
s_NextStage = -1;
for(int i=0; i<8; i++)
s_Textures[i] = -1;
}
TextureCache::~TextureCache()
{
s_ColorMatrixProgram.Destroy();
s_DepthMatrixProgram.Destroy();
for(std::map<u64, VBOCache>::iterator it = s_VBO.begin(); it != s_VBO.end(); it++) {
glDeleteBuffers(1, &it->second.vbo);
glDeleteVertexArrays(1, &it->second.vao);
}
s_VBO.clear();
}
void TextureCache::DisableStage(unsigned int stage)
{
}
void TextureCache::SetStage ()
{
// -1 is the initial value as we don't know which testure should be bound
if(s_ActiveTexture != (u32)-1)
glActiveTexture(GL_TEXTURE0 + s_ActiveTexture);
}
void TextureCache::SetNextStage ( unsigned int stage )
{
s_NextStage = stage;
}
}
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