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ppsspp/GPU/GLES/Framebuffer.cpp
Unknown W. Brackets c42d04829f Detect if the game uses block transfer slivers. 
In that case, it's better to read it once, than multiple times.
Improves performance and graphics in Grand Knights History.
2014-05-25 18:18:26 -07:00

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// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include <set>
#include <algorithm>
#include "gfx_es2/glsl_program.h"
#include "gfx_es2/gl_state.h"
#include "gfx_es2/fbo.h"
#include "base/timeutil.h"
#include "math/lin/matrix4x4.h"
#include "Core/Host.h"
#include "Core/MemMap.h"
#include "Core/Config.h"
#include "Core/System.h"
#include "Core/Reporting.h"
#include "Core/HLE/sceDisplay.h"
#include "GPU/ge_constants.h"
#include "GPU/GPUState.h"
#include "GPU/Common/PostShader.h"
#include "GPU/Common/TextureDecoder.h"
#include "GPU/GLES/Framebuffer.h"
#include "GPU/GLES/TextureCache.h"
#include "GPU/GLES/ShaderManager.h"
#include "UI/OnScreenDisplay.h"
#if defined(USING_GLES2)
#ifndef GL_READ_FRAMEBUFFER
#define GL_READ_FRAMEBUFFER GL_FRAMEBUFFER
#define GL_DRAW_FRAMEBUFFER GL_FRAMEBUFFER
#endif
#ifndef GL_RGBA8
#define GL_RGBA8 GL_RGBA
#endif
#ifndef GL_DEPTH_COMPONENT24
#define GL_DEPTH_COMPONENT24 GL_DEPTH_COMPONENT24_OES
#endif
#ifndef GL_DEPTH24_STENCIL8_OES
#define GL_DEPTH24_STENCIL8_OES 0x88F0
#endif
#endif
extern int g_iNumVideos;
static const char tex_fs[] =
#ifdef USING_GLES2
"precision mediump float;\n"
#endif
"uniform sampler2D sampler0;\n"
"varying vec2 v_texcoord0;\n"
"void main() {\n"
" gl_FragColor.rgb = texture2D(sampler0, v_texcoord0).rgb;\n"
" gl_FragColor.a = 1.0;\n"
"}\n";
static const char basic_vs[] =
"attribute vec4 a_position;\n"
"attribute vec2 a_texcoord0;\n"
"varying vec2 v_texcoord0;\n"
"void main() {\n"
" v_texcoord0 = a_texcoord0;\n"
" gl_Position = a_position;\n"
"}\n";
static const char color_fs[] =
#ifdef USING_GLES2
"precision mediump float;\n"
#endif
"uniform vec4 u_color;\n"
"void main() {\n"
" gl_FragColor.rgba = u_color;\n"
"}\n";
static const char color_vs[] =
"attribute vec4 a_position;\n"
"void main() {\n"
" gl_Position = a_position;\n"
"}\n";
// Aggressively delete unused FBO:s to save gpu memory.
enum {
FBO_OLD_AGE = 5,
};
static bool MaskedEqual(u32 addr1, u32 addr2) {
return (addr1 & 0x03FFFFFF) == (addr2 & 0x03FFFFFF);
}
inline u16 RGBA8888toRGB565(u32 px) {
return ((px >> 3) & 0x001F) | ((px >> 5) & 0x07E0) | ((px >> 8) & 0xF800);
}
inline u16 RGBA8888toRGBA4444(u32 px) {
return ((px >> 4) & 0x000F) | ((px >> 8) & 0x00F0) | ((px >> 12) & 0x0F00) | ((px >> 16) & 0xF000);
}
inline u16 BGRA8888toRGB565(u32 px) {
return ((px >> 19) & 0x001F) | ((px >> 5) & 0x07E0) | ((px << 8) & 0xF800);
}
inline u16 BGRA8888toRGBA4444(u32 px) {
return ((px >> 20) & 0x000F) | ((px >> 8) & 0x00F0) | ((px << 4) & 0x0F00) | ((px >> 16) & 0xF000);
}
void ConvertFromRGBA8888(u8 *dst, const u8 *src, u32 stride, u32 height, GEBufferFormat format);
void CenterRect(float *x, float *y, float *w, float *h,
float origW, float origH, float frameW, float frameH) {
float outW;
float outH;
if (g_Config.bStretchToDisplay) {
outW = frameW;
outH = frameH;
} else {
float origRatio = origW / origH;
float frameRatio = frameW / frameH;
if (origRatio > frameRatio) {
// Image is wider than frame. Center vertically.
outW = frameW;
outH = frameW / origRatio;
// Stretch a little bit
if (g_Config.bPartialStretch)
outH = (frameH + outH) / 2.0f; // (408 + 720) / 2 = 564
}
else {
// Image is taller than frame. Center horizontally.
outW = frameH * origRatio;
outH = frameH;
}
}
if (g_Config.bSmallDisplay) {
outW /= 2.0f;
outH /= 2.0f;
}
*x = (frameW - outW) / 2.0f;
*y = (frameH - outH) / 2.0f;
*w = outW;
*h = outH;
}
static void ClearBuffer() {
glstate.scissorTest.disable();
glstate.depthWrite.set(GL_TRUE);
glstate.colorMask.set(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glstate.stencilFunc.set(GL_ALWAYS, 0xFF, 0xFF);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClearStencil(0xFF);
#ifdef USING_GLES2
glClearDepthf(1.0f);
#else
glClearDepth(1.0);
#endif
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
}
static void DisableState() {
glstate.blend.disable();
glstate.cullFace.disable();
glstate.depthTest.disable();
glstate.scissorTest.disable();
glstate.stencilTest.disable();
#if !defined(USING_GLES2)
glstate.colorLogicOp.disable();
#endif
glstate.colorMask.set(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
void FramebufferManager::SetNumExtraFBOs(int num) {
for (size_t i = 0; i < extraFBOs_.size(); i++) {
fbo_destroy(extraFBOs_[i]);
}
extraFBOs_.clear();
for (int i = 0; i < num; i++) {
// No depth/stencil for post processing
FBO *fbo = fbo_create(PSP_CoreParameter().renderWidth, PSP_CoreParameter().renderHeight, 1, false, FBO_8888);
extraFBOs_.push_back(fbo);
}
}
void FramebufferManager::CompileDraw2DProgram() {
if (!draw2dprogram_) {
std::string errorString;
draw2dprogram_ = glsl_create_source(basic_vs, tex_fs, &errorString);
if (!draw2dprogram_) {
ERROR_LOG_REPORT(G3D, "Failed to compile draw2dprogram! This shouldn't happen.\n%s", errorString.c_str());
} else {
glsl_bind(draw2dprogram_);
glUniform1i(draw2dprogram_->sampler0, 0);
}
plainColorProgram_ = glsl_create_source(color_vs, color_fs, &errorString);
if (!plainColorProgram_) {
ERROR_LOG_REPORT(G3D, "Failed to compile plainColorProgram! This shouldn't happen.\n%s", errorString.c_str());
} else {
glsl_bind(plainColorProgram_);
plainColorLoc_ = glsl_uniform_loc(plainColorProgram_, "u_color");
}
SetNumExtraFBOs(0);
const ShaderInfo *shaderInfo = 0;
if (g_Config.sPostShaderName != "Off") {
shaderInfo = GetPostShaderInfo(g_Config.sPostShaderName);
}
if (shaderInfo) {
postShaderAtOutputResolution_ = shaderInfo->outputResolution;
postShaderProgram_ = glsl_create(shaderInfo->vertexShaderFile.c_str(), shaderInfo->fragmentShaderFile.c_str(), &errorString);
if (!postShaderProgram_) {
// DO NOT turn this into a report, as it will pollute our logs with all kinds of
// user shader experiments.
ERROR_LOG(G3D, "Failed to build post-processing program from %s and %s!\n%s", shaderInfo->vertexShaderFile.c_str(), shaderInfo->fragmentShaderFile.c_str(), errorString.c_str());
// let's show the first line of the error string as an OSM.
std::set<std::string> blacklistedLines;
// These aren't useful to show, skip to the first interesting line.
blacklistedLines.insert("Fragment shader failed to compile with the following errors:");
blacklistedLines.insert("Vertex shader failed to compile with the following errors:");
blacklistedLines.insert("Compile failed.");
blacklistedLines.insert("");
std::string firstLine;
size_t start = 0;
for (size_t i = 0; i < errorString.size(); i++) {
if (errorString[i] == '\n') {
firstLine = errorString.substr(start, i - start);
if (blacklistedLines.find(firstLine) == blacklistedLines.end()) {
break;
}
start = i + 1;
firstLine.clear();
}
}
if (!firstLine.empty()) {
osm.Show("Post-shader error: " + firstLine + "...", 10.0f, 0xFF3090FF);
} else {
osm.Show("Post-shader error, see log for details", 10.0f, 0xFF3090FF);
}
usePostShader_ = false;
} else {
glsl_bind(postShaderProgram_);
glUniform1i(postShaderProgram_->sampler0, 0);
SetNumExtraFBOs(1);
float u_delta = 1.0f / PSP_CoreParameter().renderWidth;
float v_delta = 1.0f / PSP_CoreParameter().renderHeight;
float u_pixel_delta = u_delta;
float v_pixel_delta = v_delta;
if (postShaderAtOutputResolution_) {
float x, y, w, h;
CenterRect(&x, &y, &w, &h, 480.0f, 272.0f, (float)PSP_CoreParameter().pixelWidth, (float)PSP_CoreParameter().pixelHeight);
u_pixel_delta = 1.0f / w;
v_pixel_delta = 1.0f / h;
}
int deltaLoc = glsl_uniform_loc(postShaderProgram_, "u_texelDelta");
if (deltaLoc != -1)
glUniform2f(deltaLoc, u_delta, v_delta);
int pixelDeltaLoc = glsl_uniform_loc(postShaderProgram_, "u_pixelDelta");
if (pixelDeltaLoc != -1)
glUniform2f(pixelDeltaLoc, u_pixel_delta, v_pixel_delta);
timeLoc_ = glsl_uniform_loc(postShaderProgram_, "u_time");
if (timeLoc_ != -1)
glUniform4f(timeLoc_, 0.0f, 0.0f, 0.0f, 0.0f);
usePostShader_ = true;
}
} else {
postShaderProgram_ = 0;
usePostShader_ = false;
}
glsl_unbind();
}
}
void FramebufferManager::DestroyDraw2DProgram() {
if (draw2dprogram_) {
glsl_destroy(draw2dprogram_);
draw2dprogram_ = 0;
}
if (plainColorProgram_) {
glsl_destroy(plainColorProgram_);
plainColorProgram_ = 0;
}
if (postShaderProgram_) {
glsl_destroy(postShaderProgram_);
postShaderProgram_ = 0;
}
}
FramebufferManager::FramebufferManager() :
displayFramebufPtr_(0),
displayStride_(0),
displayFormat_(GE_FORMAT_565),
displayFramebuf_(0),
prevDisplayFramebuf_(0),
prevPrevDisplayFramebuf_(0),
frameLastFramebufUsed(0),
currentRenderVfb_(0),
drawPixelsTex_(0),
drawPixelsTexFormat_(GE_FORMAT_INVALID),
convBuf_(0),
draw2dprogram_(0),
postShaderProgram_(0),
plainColorLoc_(-1),
timeLoc_(-1),
textureCache_(0),
shaderManager_(0),
usePostShader_(false),
postShaderAtOutputResolution_(false),
resized_(false),
gameUsesSequentialCopies_(false),
framebufRangeEnd_(0)
#ifndef USING_GLES2
,
pixelBufObj_(0),
currentPBO_(0)
#endif
{
CompileDraw2DProgram();
// And an initial clear. We don't clear per frame as the games are supposed to handle that
// by themselves.
ClearBuffer();
useBufferedRendering_ = g_Config.iRenderingMode != FB_NON_BUFFERED_MODE;
updateVRAM_ = !(g_Config.iRenderingMode == FB_NON_BUFFERED_MODE || g_Config.iRenderingMode == FB_BUFFERED_MODE);
SetLineWidth();
}
FramebufferManager::~FramebufferManager() {
if (drawPixelsTex_)
glDeleteTextures(1, &drawPixelsTex_);
if (draw2dprogram_) {
glsl_destroy(draw2dprogram_);
}
SetNumExtraFBOs(0);
for (auto it = renderCopies_.begin(), end = renderCopies_.end(); it != end; ++it) {
fbo_destroy(it->second);
}
#ifndef USING_GLES2
delete [] pixelBufObj_;
#endif
delete [] convBuf_;
}
void FramebufferManager::MakePixelTexture(const u8 *srcPixels, GEBufferFormat srcPixelFormat, int srcStride, int width, int height) {
if (drawPixelsTex_ && (drawPixelsTexFormat_ != srcPixelFormat || drawPixelsTexW_ != width || drawPixelsTexH_ != height)) {
glDeleteTextures(1, &drawPixelsTex_);
drawPixelsTex_ = 0;
}
if (!drawPixelsTex_) {
glGenTextures(1, &drawPixelsTex_);
drawPixelsTexW_ = width;
drawPixelsTexH_ = height;
// Initialize backbuffer texture for DrawPixels
glBindTexture(GL_TEXTURE_2D, drawPixelsTex_);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
drawPixelsTexFormat_ = srcPixelFormat;
} else {
glBindTexture(GL_TEXTURE_2D, drawPixelsTex_);
}
// TODO: We can just change the texture format and flip some bits around instead of this.
// Could share code with the texture cache perhaps.
bool useConvBuf = false;
if (srcPixelFormat != GE_FORMAT_8888 || srcStride != width) {
useConvBuf = true;
u32 neededSize = width * height * 4;
if (!convBuf_ || convBufSize_ < neededSize) {
delete [] convBuf_;
convBuf_ = new u8[neededSize];
convBufSize_ = neededSize;
}
for (int y = 0; y < height; y++) {
switch (srcPixelFormat) {
case GE_FORMAT_565:
{
const u16 *src = (const u16 *)srcPixels + srcStride * y;
u8 *dst = convBuf_ + 4 * width * y;
for (int x = 0; x < width; x++)
{
u16 col = src[x];
dst[x * 4] = ((col) & 0x1f) << 3;
dst[x * 4 + 1] = ((col >> 5) & 0x3f) << 2;
dst[x * 4 + 2] = ((col >> 11) & 0x1f) << 3;
dst[x * 4 + 3] = 255;
}
}
break;
case GE_FORMAT_5551:
{
const u16 *src = (const u16 *)srcPixels + srcStride * y;
u8 *dst = convBuf_ + 4 * width * y;
for (int x = 0; x < width; x++)
{
u16 col = src[x];
dst[x * 4] = ((col) & 0x1f) << 3;
dst[x * 4 + 1] = ((col >> 5) & 0x1f) << 3;
dst[x * 4 + 2] = ((col >> 10) & 0x1f) << 3;
dst[x * 4 + 3] = (col >> 15) ? 255 : 0;
}
}
break;
case GE_FORMAT_4444:
{
const u16 *src = (const u16 *)srcPixels + srcStride * y;
u8 *dst = convBuf_ + 4 * width * y;
for (int x = 0; x < width; x++)
{
u16 col = src[x];
dst[x * 4] = ((col >> 8) & 0xf) << 4;
dst[x * 4 + 1] = ((col >> 4) & 0xf) << 4;
dst[x * 4 + 2] = (col & 0xf) << 4;
dst[x * 4 + 3] = (col >> 12) << 4;
}
}
break;
case GE_FORMAT_8888:
{
const u8 *src = srcPixels + srcStride * 4 * y;
u8 *dst = convBuf_ + 4 * width * y;
memcpy(dst, src, 4 * width);
}
break;
case GE_FORMAT_INVALID:
_dbg_assert_msg_(G3D, false, "Invalid pixelFormat passed to DrawPixels().");
break;
}
}
}
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, useConvBuf ? convBuf_ : srcPixels);
}
void FramebufferManager::DrawPixels(VirtualFramebuffer *vfb, int dstX, int dstY, const u8 *srcPixels, GEBufferFormat srcPixelFormat, int srcStride, int width, int height) {
MakePixelTexture(srcPixels, srcPixelFormat, srcStride, width, height);
DisableState();
DrawActiveTexture(0, dstX, dstY, width, height, vfb->width, vfb->height, false, 0.0f, 0.0f, 1.0f, 1.0f);
}
void FramebufferManager::DrawFramebuffer(const u8 *srcPixels, GEBufferFormat srcPixelFormat, int srcStride, bool applyPostShader) {
MakePixelTexture(srcPixels, srcPixelFormat, srcStride, 512, 272);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
DisableState();
// This might draw directly at the backbuffer (if so, applyPostShader is set) so if there's a post shader, we need to apply it here.
// Should try to unify this path with the regular path somehow, but this simple solution works for most of the post shaders
// (it always runs at output resolution so FXAA may look odd).
float x, y, w, h;
CenterRect(&x, &y, &w, &h, 480.0f, 272.0f, (float)PSP_CoreParameter().pixelWidth, (float)PSP_CoreParameter().pixelHeight);
if (applyPostShader && usePostShader_ && g_Config.iRenderingMode != FB_NON_BUFFERED_MODE) {
DrawActiveTexture(0, x, y, w, h, (float)PSP_CoreParameter().pixelWidth, (float)PSP_CoreParameter().pixelHeight, false, 0.0f, 0.0f, 480.0f / 512.0f, 1.0f, postShaderProgram_);
} else {
DrawActiveTexture(0, x, y, w, h, (float)PSP_CoreParameter().pixelWidth, (float)PSP_CoreParameter().pixelHeight, false, 0.0f, 0.0f, 480.0f / 512.0f);
}
}
void FramebufferManager::DrawPlainColor(u32 color) {
// Cannot take advantage of scissor + clear here - this has to be a regular draw so that
// stencil can be used and abused, as that's what we're gonna use this for.
static const float pos[12] = {
-1,-1,-1,
1,-1,-1,
1,1,-1,
-1,1,-1
};
static const GLubyte indices[4] = {0,1,3,2};
GLSLProgram *program = 0;
if (!draw2dprogram_) {
CompileDraw2DProgram();
}
program = plainColorProgram_;
const float col[4] = {
((color & 0xFF)) / 255.0f,
((color & 0xFF00) >> 8) / 255.0f,
((color & 0xFF0000) >> 16) / 255.0f,
((color & 0xFF000000) >> 24) / 255.0f,
};
glsl_bind(program);
glUniform4fv(plainColorLoc_, 1, col);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(program->a_position);
glVertexAttribPointer(program->a_position, 3, GL_FLOAT, GL_FALSE, 12, pos);
glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_BYTE, indices);
glDisableVertexAttribArray(program->a_position);
glsl_unbind();
}
// x, y, w, h are relative coordinates against destW/destH, which is not very intuitive.
void FramebufferManager::DrawActiveTexture(GLuint texture, float x, float y, float w, float h, float destW, float destH, bool flip, float u0, float v0, float u1, float v1, GLSLProgram *program) {
if (flip) {
// We're flipping, so 0 is downward. Reverse everything from 1.0f.
v0 = 1.0f - v0;
v1 = 1.0f - v1;
}
const float texCoords[8] = {u0,v0, u1,v0, u1,v1, u0,v1};
static const GLushort indices[4] = {0,1,3,2};
if (texture) {
// We know the texture, we can do a DrawTexture shortcut on nvidia.
#if !defined(__SYMBIAN32__) && !defined(MEEGO_EDITION_HARMATTAN) && !defined(IOS) && !defined(BLACKBERRY) && !defined(MAEMO)
// Don't remember why I disabled this - no win?
if (false && gl_extensions.NV_draw_texture && !program) {
// Fast path for Tegra. TODO: Make this path work on desktop nvidia, seems GLEW doesn't have a clue.
// Actually, on Desktop we should just use glBlitFramebuffer - although we take a texture here
// so that's a little gnarly, will have to modify all callers.
glDrawTextureNV(texture, 0,
x, y, w, h, 0.0f,
u0, v1, u1, v0);
return;
}
#endif
glBindTexture(GL_TEXTURE_2D, texture);
}
float pos[12] = {
x,y,0,
x+w,y,0,
x+w,y+h,0,
x,y+h,0
};
float invDestW = 1.0f / (destW * 0.5f);
float invDestH = 1.0f / (destH * 0.5f);
for (int i = 0; i < 4; i++) {
pos[i * 3] = pos[i * 3] * invDestW - 1.0f;
pos[i * 3 + 1] = -(pos[i * 3 + 1] * invDestH - 1.0f);
}
if (!program) {
if (!draw2dprogram_) {
CompileDraw2DProgram();
}
program = draw2dprogram_;
}
// Always use linear filtering when stretching a buffer to the screen. Might want to make this
// an option in the future.
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glsl_bind(program);
if (program == postShaderProgram_ && timeLoc_ != -1) {
int flipCount = __DisplayGetFlipCount();
int vCount = __DisplayGetVCount();
float time[4] = {time_now(), (vCount % 60) * 1.0f/60.0f, (float)vCount, (float)(flipCount % 60)};
glUniform4fv(timeLoc_, 1, time);
}
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(program->a_position);
glEnableVertexAttribArray(program->a_texcoord0);
glVertexAttribPointer(program->a_position, 3, GL_FLOAT, GL_FALSE, 12, pos);
glVertexAttribPointer(program->a_texcoord0, 2, GL_FLOAT, GL_FALSE, 8, texCoords);
glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_SHORT, indices);
glDisableVertexAttribArray(program->a_position);
glDisableVertexAttribArray(program->a_texcoord0);
glsl_unbind();
shaderManager_->DirtyLastShader(); // dirty lastShader_
}
VirtualFramebuffer *FramebufferManager::GetVFBAt(u32 addr) {
VirtualFramebuffer *match = NULL;
for (size_t i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *v = vfbs_[i];
if (MaskedEqual(v->fb_address, addr) && v->format == displayFormat_ && v->width >= 480) {
// Could check w too but whatever
if (match == NULL || match->last_frame_render < v->last_frame_render) {
match = v;
}
}
}
if (match != NULL) {
return match;
}
DEBUG_LOG(SCEGE, "Finding no FBO matching address %08x", addr);
return 0;
}
// Heuristics to figure out the size of FBO to create.
static void EstimateDrawingSize(int &drawing_width, int &drawing_height) {
int default_width = 480;
int default_height = 272;
int viewport_width = (int) gstate.getViewportX1();
int viewport_height = (int) gstate.getViewportY1();
int region_width = gstate.getRegionX2() + 1;
int region_height = gstate.getRegionY2() + 1;
int scissor_width = gstate.getScissorX2() + 1;
int scissor_height = gstate.getScissorY2() + 1;
int fb_stride = gstate.FrameBufStride();
DEBUG_LOG(SCEGE,"viewport : %ix%i, region : %ix%i , scissor: %ix%i, stride: %i, %i", viewport_width,viewport_height, region_width, region_height, scissor_width, scissor_height, fb_stride, gstate.isModeThrough());
// Viewport may return 0x0 for example FF Type-0 / God of War and we set it to 480x272
if (viewport_width <= 1 && viewport_height <=1) {
viewport_width = default_width;
viewport_height = default_height;
}
if (fb_stride > 0 && fb_stride <= 512) {
if (fb_stride == viewport_width) {
drawing_width = viewport_width;
drawing_height = viewport_height;
} else {
drawing_width = scissor_width;
drawing_height = scissor_height;
}
} else {
drawing_width = default_width;
drawing_height = default_height;
}
}
void FramebufferManager::DestroyFramebuf(VirtualFramebuffer *v) {
textureCache_->NotifyFramebuffer(v->fb_address, v, NOTIFY_FB_DESTROYED);
if (v->fbo) {
fbo_destroy(v->fbo);
v->fbo = 0;
}
// Wipe some pointers
if (currentRenderVfb_ == v)
currentRenderVfb_ = 0;
if (displayFramebuf_ == v)
displayFramebuf_ = 0;
if (prevDisplayFramebuf_ == v)
prevDisplayFramebuf_ = 0;
if (prevPrevDisplayFramebuf_ == v)
prevPrevDisplayFramebuf_ = 0;
delete v;
}
void FramebufferManager::DoSetRenderFrameBuffer() {
/*
if (g_Config.iRenderingMode != FB_NON_BUFFERED_MODE && currentRenderVfb_) {
// Hack is enabled, and there was a previous framebuffer.
// Before we switch, let's do a series of trickery to copy one bit of stencil to
// destination alpha. Or actually, this is just a bunch of hackery attempts on Wipeout.
// Ignore for now.
glstate.depthTest.disable();
glstate.colorMask.set(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
glstate.stencilTest.enable();
glstate.stencilOp.set(GL_KEEP, GL_KEEP, GL_KEEP); // don't modify stencil§
glstate.stencilFunc.set(GL_GEQUAL, 0xFE, 0xFF);
DrawPlainColor(0x00000000);
//glstate.stencilFunc.set(GL_LESS, 0x80, 0xFF);
//DrawPlainColor(0xFF000000);
glstate.stencilTest.disable();
glstate.colorMask.set(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glstate.depthTest.disable();
glstate.colorMask.set(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
DrawPlainColor(0x00000000);
shaderManager_->DirtyLastShader(); // dirty lastShader_
}
*/
gstate_c.framebufChanged = false;
// Get parameters
u32 fb_address = gstate.getFrameBufRawAddress();
int fb_stride = gstate.FrameBufStride();
u32 z_address = gstate.getDepthBufRawAddress();
int z_stride = gstate.DepthBufStride();
// Yeah this is not completely right. but it'll do for now.
//int drawing_width = ((gstate.region2) & 0x3FF) + 1;
//int drawing_height = ((gstate.region2 >> 10) & 0x3FF) + 1;
GEBufferFormat fmt = gstate.FrameBufFormat();
// As there are no clear "framebuffer width" and "framebuffer height" registers,
// we need to infer the size of the current framebuffer somehow.
int drawing_width, drawing_height;
EstimateDrawingSize(drawing_width, drawing_height);
int buffer_width = drawing_width;
int buffer_height = drawing_height;
// Find a matching framebuffer
VirtualFramebuffer *vfb = 0;
size_t i;
for (i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *v = vfbs_[i];
if (MaskedEqual(v->fb_address, fb_address)) {
vfb = v;
// Update fb stride in case it changed
vfb->fb_stride = fb_stride;
if (v->width < drawing_width && v->height < drawing_height) {
v->width = drawing_width;
v->height = drawing_height;
}
if (v->format != fmt) {
v->width = drawing_width;
v->height = drawing_height;
v->format = fmt;
}
break;
}
}
if (vfb) {
if ((drawing_width != vfb->bufferWidth || drawing_height != vfb->bufferHeight)) {
// If it's newly wrong, or changing every frame, just keep track.
if (vfb->newWidth != drawing_width || vfb->newHeight != drawing_height) {
vfb->newWidth = drawing_width;
vfb->newHeight = drawing_height;
vfb->lastFrameNewSize = gpuStats.numFlips;
} else if (vfb->lastFrameNewSize + FBO_OLD_AGE < gpuStats.numFlips) {
// Okay, it's changed for a while (and stayed that way.) Let's start over.
DestroyFramebuf(vfb);
vfbs_.erase(vfbs_.begin() + i);
vfb = NULL;
}
} else {
// It's not different, let's keep track of that too.
vfb->lastFrameNewSize = gpuStats.numFlips;
}
}
float renderWidthFactor = (float)PSP_CoreParameter().renderWidth / 480.0f;
float renderHeightFactor = (float)PSP_CoreParameter().renderHeight / 272.0f;
// None found? Create one.
if (!vfb) {
gstate_c.textureChanged |= TEXCHANGE_PARAMSONLY;
vfb = new VirtualFramebuffer();
vfb->fbo = 0;
vfb->fb_address = fb_address;
vfb->fb_stride = fb_stride;
vfb->z_address = z_address;
vfb->z_stride = z_stride;
vfb->width = drawing_width;
vfb->height = drawing_height;
vfb->newWidth = drawing_width;
vfb->newHeight = drawing_height;
vfb->lastFrameNewSize = gpuStats.numFlips;
vfb->renderWidth = (u16)(drawing_width * renderWidthFactor);
vfb->renderHeight = (u16)(drawing_height * renderHeightFactor);
vfb->bufferWidth = buffer_width;
vfb->bufferHeight = buffer_height;
vfb->format = fmt;
vfb->usageFlags = FB_USAGE_RENDERTARGET;
vfb->dirtyAfterDisplay = true;
if ((gstate_c.skipDrawReason & SKIPDRAW_SKIPFRAME) == 0)
vfb->reallyDirtyAfterDisplay = true;
vfb->memoryUpdated = false;
vfb->depthUpdated = false;
if (g_Config.bTrueColor) {
vfb->colorDepth = FBO_8888;
} else {
switch (fmt) {
case GE_FORMAT_4444:
vfb->colorDepth = FBO_4444;
break;
case GE_FORMAT_5551:
vfb->colorDepth = FBO_5551;
break;
case GE_FORMAT_565:
vfb->colorDepth = FBO_565;
break;
case GE_FORMAT_8888:
default:
vfb->colorDepth = FBO_8888;
break;
}
}
if (useBufferedRendering_) {
vfb->fbo = fbo_create(vfb->renderWidth, vfb->renderHeight, 1, true, vfb->colorDepth);
if (vfb->fbo) {
fbo_bind_as_render_target(vfb->fbo);
} else {
ERROR_LOG(SCEGE, "Error creating FBO! %i x %i", vfb->renderWidth, vfb->renderHeight);
}
} else {
fbo_unbind();
// Let's ignore rendering to targets that have not (yet) been displayed.
gstate_c.skipDrawReason |= SKIPDRAW_NON_DISPLAYED_FB;
}
textureCache_->NotifyFramebuffer(vfb->fb_address, vfb, NOTIFY_FB_CREATED);
vfb->last_frame_render = gpuStats.numFlips;
frameLastFramebufUsed = gpuStats.numFlips;
vfbs_.push_back(vfb);
ClearBuffer();
glEnable(GL_DITHER); // why?
currentRenderVfb_ = vfb;
u32 byteSize = FramebufferByteSize(vfb);
u32 fb_address_mem = (fb_address & 0x3FFFFFFF) | 0x04000000;
if (fb_address_mem + byteSize > framebufRangeEnd_) {
framebufRangeEnd_ = fb_address_mem + byteSize;
}
INFO_LOG(SCEGE, "Creating FBO for %08x : %i x %i x %i", vfb->fb_address, vfb->width, vfb->height, vfb->format);
// Let's check for depth buffer overlap. Might be interesting.
bool sharingReported = false;
for (size_t i = 0, end = vfbs_.size(); i < end; ++i) {
if (MaskedEqual(fb_address, vfbs_[i]->z_address)) {
// If it's clearing it, most likely it just needs more video memory.
// Technically it could write something interesting and the other might not clear, but that's not likely.
if (!gstate.isModeClear() || !gstate.isClearModeColorMask() || !gstate.isClearModeAlphaMask()) {
WARN_LOG_REPORT(SCEGE, "FBO created from existing depthbuffer as color, %08x/%08x and %08x/%08x", fb_address, z_address, vfbs_[i]->fb_address, vfbs_[i]->z_address);
}
} else if (MaskedEqual(z_address, vfbs_[i]->fb_address)) {
// If it's clearing it, then it's probably just the reverse of the above case.
if (!gstate.isModeClear() || !gstate.isClearModeDepthMask()) {
WARN_LOG_REPORT(SCEGE, "FBO using existing buffer as depthbuffer, %08x/%08x and %08x/%08x", fb_address, z_address, vfbs_[i]->fb_address, vfbs_[i]->z_address);
}
} else if (MaskedEqual(z_address, vfbs_[i]->z_address) && fb_address != vfbs_[i]->fb_address && !sharingReported) {
// This happens a lot, but virtually always it's cleared.
// It's possible the other might not clear, but when every game is reported it's not useful.
if (!gstate.isModeClear() || !gstate.isClearModeDepthMask()) {
WARN_LOG_REPORT(SCEGE, "FBO reusing depthbuffer, %08x/%08x and %08x/%08x", fb_address, z_address, vfbs_[i]->fb_address, vfbs_[i]->z_address);
sharingReported = true;
}
}
}
// We already have it!
} else if (vfb != currentRenderVfb_) {
if (updateVRAM_ && !vfb->memoryUpdated) {
ReadFramebufferToMemory(vfb, true, 0, 0, vfb->width, vfb->height);
}
// Use it as a render target.
DEBUG_LOG(SCEGE, "Switching render target to FBO for %08x: %i x %i x %i ", vfb->fb_address, vfb->width, vfb->height, vfb->format);
vfb->usageFlags |= FB_USAGE_RENDERTARGET;
gstate_c.textureChanged |= TEXCHANGE_PARAMSONLY;
vfb->last_frame_render = gpuStats.numFlips;
frameLastFramebufUsed = gpuStats.numFlips;
vfb->dirtyAfterDisplay = true;
if ((gstate_c.skipDrawReason & SKIPDRAW_SKIPFRAME) == 0)
vfb->reallyDirtyAfterDisplay = true;
vfb->memoryUpdated = false;
if (useBufferedRendering_) {
if (vfb->fbo) {
fbo_bind_as_render_target(vfb->fbo);
} else {
// wtf? This should only happen very briefly when toggling bBufferedRendering
fbo_unbind();
}
} else {
if (vfb->fbo) {
// wtf? This should only happen very briefly when toggling bBufferedRendering
textureCache_->NotifyFramebuffer(vfb->fb_address, vfb, NOTIFY_FB_DESTROYED);
fbo_destroy(vfb->fbo);
vfb->fbo = 0;
}
fbo_unbind();
// Let's ignore rendering to targets that have not (yet) been displayed.
if (vfb->usageFlags & FB_USAGE_DISPLAYED_FRAMEBUFFER) {
gstate_c.skipDrawReason &= ~SKIPDRAW_NON_DISPLAYED_FB;
} else {
gstate_c.skipDrawReason |= SKIPDRAW_NON_DISPLAYED_FB;
}
}
textureCache_->NotifyFramebuffer(vfb->fb_address, vfb, NOTIFY_FB_UPDATED);
#ifdef USING_GLES2
// Some tiled mobile GPUs benefit IMMENSELY from clearing an FBO before rendering
// to it. This broke stuff before, so now it only clears on the first use of an
// FBO in a frame. This means that some games won't be able to avoid the on-some-GPUs
// performance-crushing framebuffer reloads from RAM, but we'll have to live with that.
if (vfb->last_frame_render != gpuStats.numFlips) {
ClearBuffer();
}
#endif
// Copy depth pixel value from the read framebuffer to the draw framebuffer
BindFramebufferDepth(currentRenderVfb_,vfb);
currentRenderVfb_ = vfb;
} else {
vfb->last_frame_render = gpuStats.numFlips;
frameLastFramebufUsed = gpuStats.numFlips;
vfb->dirtyAfterDisplay = true;
if ((gstate_c.skipDrawReason & SKIPDRAW_SKIPFRAME) == 0)
vfb->reallyDirtyAfterDisplay = true;
}
// ugly...
if (gstate_c.curRTWidth != vfb->width || gstate_c.curRTHeight != vfb->height) {
shaderManager_->DirtyUniform(DIRTY_PROJTHROUGHMATRIX);
gstate_c.curRTWidth = vfb->width;
gstate_c.curRTHeight = vfb->height;
}
}
void FramebufferManager::SetLineWidth() {
#ifndef USING_GLES2
if (g_Config.iInternalResolution == 0) {
glLineWidth(std::max(1, (int)(PSP_CoreParameter().renderWidth / 480)));
glPointSize(std::max(1.0f, (float)(PSP_CoreParameter().renderWidth / 480.f)));
} else {
glLineWidth(g_Config.iInternalResolution);
glPointSize((float)g_Config.iInternalResolution);
}
#endif
}
void FramebufferManager::BindFramebufferDepth(VirtualFramebuffer *sourceframebuffer, VirtualFramebuffer *targetframebuffer) {
if (!sourceframebuffer || !targetframebuffer->fbo || !useBufferedRendering_) {
return;
}
// If depth wasn't updated, then we're at least "two degrees" away from the data.
// This is an optimization: it probably doesn't need to be copied in this case.
if (!sourceframebuffer->depthUpdated) {
return;
}
if (MaskedEqual(sourceframebuffer->z_address, targetframebuffer->z_address) &&
sourceframebuffer->renderWidth == targetframebuffer->renderWidth &&
sourceframebuffer->renderHeight == targetframebuffer->renderHeight) {
#ifndef USING_GLES2
if (gl_extensions.FBO_ARB) {
bool useNV = false;
#else
if (gl_extensions.GLES3 || gl_extensions.NV_framebuffer_blit) {
bool useNV = !gl_extensions.GLES3;
#endif
#ifdef MAY_HAVE_GLES3
// Let's only do this if not clearing.
if (!gstate.isModeClear() || !gstate.isClearModeDepthMask()) {
fbo_bind_for_read(sourceframebuffer->fbo);
#if defined(USING_GLES2) && (defined(ANDROID) || defined(BLACKBERRY)) // We only support this extension on Android, it's not even available on PC.
if (useNV) {
glBlitFramebufferNV(0, 0, sourceframebuffer->renderWidth, sourceframebuffer->renderHeight, 0, 0, targetframebuffer->renderWidth, targetframebuffer->renderHeight, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
} else
#endif // defined(USING_GLES2) && (defined(ANDROID) || defined(BLACKBERRY))
glBlitFramebuffer(0, 0, sourceframebuffer->renderWidth, sourceframebuffer->renderHeight, 0, 0, targetframebuffer->renderWidth, targetframebuffer->renderHeight, GL_DEPTH_BUFFER_BIT, GL_NEAREST);
// If we set targetframebuffer->depthUpdated here, our optimization above would be pointless.
}
#endif
}
}
}
void FramebufferManager::BindFramebufferColor(VirtualFramebuffer *framebuffer) {
if (!framebuffer->fbo || !useBufferedRendering_) {
glBindTexture(GL_TEXTURE_2D, 0);
gstate_c.skipDrawReason |= SKIPDRAW_BAD_FB_TEXTURE;
return;
}
// currentRenderVfb_ will always be set when this is called, except from the GE debugger.
// Let's just not bother with the copy in that case.
if (currentRenderVfb_ && MaskedEqual(framebuffer->fb_address, gstate.getFrameBufRawAddress())) {
#ifndef USING_GLES2
if (gl_extensions.FBO_ARB) {
bool useNV = false;
#else
if (gl_extensions.GLES3 || gl_extensions.NV_framebuffer_blit) {
bool useNV = !gl_extensions.GLES3;
#endif
#ifdef MAY_HAVE_GLES3
// TODO: Maybe merge with bvfbs_? Not sure if those could be packing, and they're created at a different size.
FBO *renderCopy = NULL;
std::pair<int, int> copySize = std::make_pair((int)framebuffer->renderWidth, (int)framebuffer->renderHeight);
for (auto it = renderCopies_.begin(), end = renderCopies_.end(); it != end; ++it) {
if (it->first == copySize) {
renderCopy = it->second;
break;
}
}
if (!renderCopy) {
renderCopy = fbo_create(framebuffer->renderWidth, framebuffer->renderHeight, 1, true, framebuffer->colorDepth);
renderCopies_[copySize] = renderCopy;
}
fbo_bind_as_render_target(renderCopy);
glViewport(0, 0, framebuffer->renderWidth, framebuffer->renderHeight);
fbo_bind_for_read(framebuffer->fbo);
#if defined(USING_GLES2) && (defined(ANDROID) || defined(BLACKBERRY)) // We only support this extension on Android, it's not even available on PC.
if (useNV) {
glBlitFramebufferNV(0, 0, framebuffer->renderWidth, framebuffer->renderHeight, 0, 0, framebuffer->renderWidth, framebuffer->renderHeight, GL_COLOR_BUFFER_BIT, GL_NEAREST);
} else
#endif // defined(USING_GLES2) && (defined(ANDROID) || defined(BLACKBERRY))
glBlitFramebuffer(0, 0, framebuffer->renderWidth, framebuffer->renderHeight, 0, 0, framebuffer->renderWidth, framebuffer->renderHeight, GL_COLOR_BUFFER_BIT, GL_NEAREST);
fbo_bind_as_render_target(currentRenderVfb_->fbo);
fbo_bind_color_as_texture(renderCopy, 0);
#endif
} else {
fbo_bind_color_as_texture(framebuffer->fbo, 0);
}
} else {
fbo_bind_color_as_texture(framebuffer->fbo, 0);
}
}
void FramebufferManager::CopyDisplayToOutput() {
fbo_unbind();
glstate.viewport.set(0, 0, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight);
currentRenderVfb_ = 0;
VirtualFramebuffer *vfb = GetVFBAt(displayFramebufPtr_);
if (!vfb) {
if (Memory::IsValidAddress(displayFramebufPtr_)) {
// The game is displaying something directly from RAM. In GTA, it's decoded video.
// First check that it's not a known RAM copy of a VRAM framebuffer though, as in MotoGP
for (auto iter = knownFramebufferRAMCopies_.begin(); iter != knownFramebufferRAMCopies_.end(); ++iter) {
if (iter->second == displayFramebufPtr_) {
vfb = GetVFBAt(iter->first);
}
}
if (!vfb) {
// Just a pointer to plain memory to draw. We should create a framebuffer, then draw to it.
DrawFramebuffer(Memory::GetPointer(displayFramebufPtr_), displayFormat_, displayStride_, true);
return;
}
} else {
DEBUG_LOG(SCEGE, "Found no FBO to display! displayFBPtr = %08x", displayFramebufPtr_);
// No framebuffer to display! Clear to black.
ClearBuffer();
return;
}
}
vfb->usageFlags |= FB_USAGE_DISPLAYED_FRAMEBUFFER;
vfb->dirtyAfterDisplay = false;
vfb->reallyDirtyAfterDisplay = false;
if (prevDisplayFramebuf_ != displayFramebuf_) {
prevPrevDisplayFramebuf_ = prevDisplayFramebuf_;
}
if (displayFramebuf_ != vfb) {
prevDisplayFramebuf_ = displayFramebuf_;
}
displayFramebuf_ = vfb;
if (resized_) {
ClearBuffer();
DestroyDraw2DProgram();
SetLineWidth();
}
if (vfb->fbo) {
DEBUG_LOG(SCEGE, "Displaying FBO %08x", vfb->fb_address);
DisableState();
GLuint colorTexture = fbo_get_color_texture(vfb->fbo);
// Output coordinates
float x, y, w, h;
CenterRect(&x, &y, &w, &h, 480.0f, 272.0f, (float)PSP_CoreParameter().pixelWidth, (float)PSP_CoreParameter().pixelHeight);
// TODO ES3: Use glInvalidateFramebuffer to discard depth/stencil data at the end of frame.
// and to discard extraFBOs_ after using them.
if (!usePostShader_) {
glstate.viewport.set(0, 0, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight);
// These are in the output display coordinates
DrawActiveTexture(colorTexture, x, y, w, h, (float)PSP_CoreParameter().pixelWidth, (float)PSP_CoreParameter().pixelHeight, true, 0.0f, 0.0f, 480.0f / (float)vfb->width, 272.0f / (float)vfb->height);
} else if (usePostShader_ && extraFBOs_.size() == 1 && !postShaderAtOutputResolution_) {
// An additional pass, post-processing shader to the extra FBO.
fbo_bind_as_render_target(extraFBOs_[0]);
int fbo_w, fbo_h;
fbo_get_dimensions(extraFBOs_[0], &fbo_w, &fbo_h);
glstate.viewport.set(0, 0, fbo_w, fbo_h);
DrawActiveTexture(colorTexture, 0, 0, fbo_w, fbo_h, fbo_w, fbo_h, true, 0.0f, 0.0f, 1.0f, 1.0f, postShaderProgram_);
fbo_unbind();
// Use the extra FBO, with applied post-processing shader, as a texture.
// fbo_bind_color_as_texture(extraFBOs_[0], 0);
if (extraFBOs_.size() == 0) {
ERROR_LOG(G3D, "WTF?");
return;
}
colorTexture = fbo_get_color_texture(extraFBOs_[0]);
glstate.viewport.set(0, 0, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight);
// These are in the output display coordinates
DrawActiveTexture(colorTexture, x, y, w, h, (float)PSP_CoreParameter().pixelWidth, (float)PSP_CoreParameter().pixelHeight, true, 0.0f, 0.0f, 480.0f / (float)vfb->width, 272.0f / (float)vfb->height);
} else {
// Use post-shader, but run shader at output resolution.
glstate.viewport.set(0, 0, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight);
// These are in the output display coordinates
DrawActiveTexture(colorTexture, x, y, w, h, (float)PSP_CoreParameter().pixelWidth, (float)PSP_CoreParameter().pixelHeight, true, 0.0f, 0.0f, 480.0f / (float)vfb->width, 272.0f / (float)vfb->height, postShaderProgram_);
}
glBindTexture(GL_TEXTURE_2D, 0);
}
}
void FramebufferManager::ReadFramebufferToMemory(VirtualFramebuffer *vfb, bool sync, int x, int y, int w, int h) {
#ifndef USING_GLES2
if (sync) {
PackFramebufferAsync_(NULL); // flush async just in case when we go for synchronous update
}
#endif
if (vfb) {
// We'll pseudo-blit framebuffers here to get a resized and flipped version of vfb.
// For now we'll keep these on the same struct as the ones that can get displayed
// (and blatantly copy work already done above while at it).
VirtualFramebuffer *nvfb = 0;
// We maintain a separate vector of framebuffer objects for blitting.
for (size_t i = 0; i < bvfbs_.size(); ++i) {
VirtualFramebuffer *v = bvfbs_[i];
if (MaskedEqual(v->fb_address, vfb->fb_address) && v->format == vfb->format) {
if (v->bufferWidth == vfb->bufferWidth && v->bufferHeight == vfb->bufferHeight) {
nvfb = v;
v->fb_stride = vfb->fb_stride;
v->width = vfb->width;
v->height = vfb->height;
break;
}
}
}
// Create a new fbo if none was found for the size
if (!nvfb) {
nvfb = new VirtualFramebuffer();
nvfb->fbo = 0;
nvfb->fb_address = vfb->fb_address;
nvfb->fb_stride = vfb->fb_stride;
nvfb->z_address = vfb->z_address;
nvfb->z_stride = vfb->z_stride;
nvfb->width = vfb->width;
nvfb->height = vfb->height;
nvfb->renderWidth = vfb->width;
nvfb->renderHeight = vfb->height;
nvfb->bufferWidth = vfb->bufferWidth;
nvfb->bufferHeight = vfb->bufferHeight;
nvfb->format = vfb->format;
nvfb->usageFlags = FB_USAGE_RENDERTARGET;
nvfb->dirtyAfterDisplay = true;
// When updating VRAM, it need to be exact format.
switch (vfb->format) {
case GE_FORMAT_4444:
nvfb->colorDepth = FBO_4444;
break;
case GE_FORMAT_5551:
nvfb->colorDepth = FBO_5551;
break;
case GE_FORMAT_565:
nvfb->colorDepth = FBO_565;
break;
case GE_FORMAT_8888:
default:
nvfb->colorDepth = FBO_8888;
break;
}
nvfb->fbo = fbo_create(nvfb->width, nvfb->height, 1, true, nvfb->colorDepth);
if (!(nvfb->fbo)) {
ERROR_LOG(SCEGE, "Error creating FBO! %i x %i", nvfb->renderWidth, nvfb->renderHeight);
return;
}
nvfb->last_frame_render = gpuStats.numFlips;
bvfbs_.push_back(nvfb);
fbo_bind_as_render_target(nvfb->fbo);
ClearBuffer();
glEnable(GL_DITHER);
} else {
nvfb->usageFlags |= FB_USAGE_RENDERTARGET;
gstate_c.textureChanged |= TEXCHANGE_PARAMSONLY;
nvfb->last_frame_render = gpuStats.numFlips;
nvfb->dirtyAfterDisplay = true;
#ifdef USING_GLES2
if (nvfb->fbo) {
fbo_bind_as_render_target(nvfb->fbo);
}
// Some tiled mobile GPUs benefit IMMENSELY from clearing an FBO before rendering
// to it. This broke stuff before, so now it only clears on the first use of an
// FBO in a frame. This means that some games won't be able to avoid the on-some-GPUs
// performance-crushing framebuffer reloads from RAM, but we'll have to live with that.
if (nvfb->last_frame_render != gpuStats.numFlips) {
ClearBuffer();
}
#endif
}
if (gameUsesSequentialCopies_) {
// Ignore the x/y/etc., read the entire thing.
x = 0;
y = 0;
w = vfb->width;
h = vfb->height;
}
if (x == 0 && y == 0 && w == vfb->width && h == vfb->height) {
vfb->memoryUpdated = true;
} else {
const static int FREQUENT_SEQUENTIAL_COPIES = 3;
static int frameLastCopy = 0;
static u32 bufferLastCopy = 0;
static int copiesThisFrame = 0;
if (frameLastCopy != gpuStats.numFlips || bufferLastCopy != vfb->fb_address) {
frameLastCopy = gpuStats.numFlips;
bufferLastCopy = vfb->fb_address;
copiesThisFrame = 0;
}
if (++copiesThisFrame > FREQUENT_SEQUENTIAL_COPIES) {
gameUsesSequentialCopies_ = true;
}
}
BlitFramebuffer_(nvfb, x, y, vfb, x, y, w, h, 0, true);
// PackFramebufferSync_() - Synchronous pixel data transfer using glReadPixels
// PackFramebufferAsync_() - Asynchronous pixel data transfer using glReadPixels with PBOs
#ifdef USING_GLES2
PackFramebufferSync_(nvfb);
#else
if (gl_extensions.PBO_ARB && gl_extensions.OES_texture_npot) {
if (!sync) {
PackFramebufferAsync_(nvfb);
} else {
PackFramebufferSync_(nvfb);
}
}
#endif
// Null out currentRenderVfb_ so it gets set again properly.
currentRenderVfb_ = NULL;
}
}
// TODO: If dimensions are the same, we can use glCopyImageSubData.
void FramebufferManager::BlitFramebuffer_(VirtualFramebuffer *dst, int dstX, int dstY, VirtualFramebuffer *src, int srcX, int srcY, int w, int h, int bpp, bool flip) {
if (!dst->fbo) {
ERROR_LOG_REPORT_ONCE(dstfbozero, SCEGE, "BlitFramebuffer_: dst->fbo == 0");
fbo_unbind();
return;
}
if (!src->fbo) {
ERROR_LOG_REPORT_ONCE(srcfbozero, SCEGE, "BlitFramebuffer_: src->fbo == 0");
fbo_unbind();
return;
}
fbo_bind_as_render_target(dst->fbo);
#ifndef USING_GLES2
if (gl_extensions.FBO_ARB) {
bool useNV = false;
#else
if (gl_extensions.GLES3 || gl_extensions.NV_framebuffer_blit) {
bool useNV = !gl_extensions.GLES3;
#endif
float srcXFactor = (float)src->renderWidth / (float)src->bufferWidth;
float srcYFactor = (float)src->renderHeight / (float)src->bufferHeight;
int srcBpp = src->format == GE_FORMAT_8888 ? 4 : 2;
if (srcBpp != bpp && bpp != 0) {
srcXFactor = (srcXFactor * bpp) / srcBpp;
}
int srcX1 = srcX * srcXFactor;
int srcX2 = (srcX + w) * srcXFactor;
int srcY2 = src->renderHeight - (h + srcY) * srcYFactor;
int srcY1 = srcY2 + h * srcYFactor;
float dstXFactor = (float)dst->renderWidth / (float)dst->bufferWidth;
float dstYFactor = (float)dst->renderHeight / (float)dst->bufferHeight;
int dstBpp = dst->format == GE_FORMAT_8888 ? 4 : 2;
if (dstBpp != bpp && bpp != 0) {
dstXFactor = (dstXFactor * bpp) / dstBpp;
}
int dstX1 = dstX * dstXFactor;
int dstX2 = (dstX + w) * dstXFactor;
int dstY2 = dst->renderHeight - (h + dstY) * dstYFactor;
int dstY1 = dstY2 + h * dstYFactor;
if (flip) {
dstY1 = dst->renderHeight - dstY1;
dstY2 = dst->renderHeight - dstY2;
}
#ifdef MAY_HAVE_GLES3
fbo_bind_for_read(src->fbo);
if (!useNV) {
glBlitFramebuffer(srcX1, srcY1, srcX2, srcY2, dstX1, dstY1, dstX2, dstY2, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
#if defined(USING_GLES2) && (defined(ANDROID) || defined(BLACKBERRY)) // We only support this extension on Android, it's not even available on PC.
else if (gl_extensions.NV_framebuffer_blit) {
glBlitFramebufferNV(srcX1, srcY1, srcX2, srcY2, dstX1, dstY1, dstX2, dstY2, GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
#endif // defined(USING_GLES2) && (defined(ANDROID) || defined(BLACKBERRY))
#endif // MAY_HAVE_GLES3
} else {
fbo_bind_color_as_texture(src->fbo, 0);
// Make sure our 2D drawing program is ready. Compiles only if not already compiled.
CompileDraw2DProgram();
glstate.viewport.set(0, 0, dst->width, dst->height);
DisableState();
// The first four coordinates are relative to the 6th and 7th arguments of DrawActiveTexture.
// Should maybe revamp that interface.
float srcW = src->width;
float srcH = src->height;
DrawActiveTexture(0, dstX, dstY, w, h, dst->width, dst->height, false, srcX / srcW, srcY / srcH, (srcX + w) / srcW, (srcY + h) / srcH, draw2dprogram_);
glBindTexture(GL_TEXTURE_2D, 0);
}
fbo_unbind();
}
static inline bool UseBGRA8888() {
// TODO: Other platforms? May depend on vendor which is faster?
#ifdef _WIN32
return gl_extensions.EXT_bgra;
#endif
return false;
}
// TODO: SSE/NEON
// Could also make C fake-simd for 64-bit, two 8888 pixels fit in a register :)
void ConvertFromRGBA8888(u8 *dst, const u8 *src, u32 stride, u32 height, GEBufferFormat format) {
if (format == GE_FORMAT_8888) {
if (src == dst) {
return;
} else if (UseBGRA8888()) {
u32 numPixels = height * stride;
ConvertBGRA8888ToRGBA8888((u32 *)dst, (const u32 *)src, numPixels);
} else {
// Here let's assume they don't intersect
memcpy(dst, src, stride * height * 4);
}
} else {
// But here it shouldn't matter if they do intersect
int size = height * stride;
const u32 *src32 = (const u32 *)src;
u16 *dst16 = (u16 *)dst;
switch (format) {
case GE_FORMAT_565: // BGR 565
if (UseBGRA8888()) {
for (int i = 0; i < size; i++) {
dst16[i] = BGRA8888toRGB565(src32[i]);
}
} else {
for (int i = 0; i < size; i++) {
dst16[i] = RGBA8888toRGB565(src32[i]);
}
}
break;
case GE_FORMAT_5551: // ABGR 1555
if (UseBGRA8888()) {
ConvertBGRA8888ToRGBA5551(dst16, src32, size);
} else {
ConvertRGBA8888ToRGBA5551(dst16, src32, size);
}
break;
case GE_FORMAT_4444: // ABGR 4444
if (UseBGRA8888()) {
for (int i = 0; i < size; i++) {
dst16[i] = BGRA8888toRGBA4444(src32[i]);
}
} else {
for (int i = 0; i < size; i++) {
dst16[i] = RGBA8888toRGBA4444(src32[i]);
}
}
break;
case GE_FORMAT_8888:
case GE_FORMAT_INVALID:
// Not possible.
break;
}
}
}
#ifndef USING_GLES2
// TODO: Make more generic.
static void LogReadPixelsError(GLenum error) {
switch (error) {
case GL_NO_ERROR:
break;
case GL_INVALID_ENUM:
ERROR_LOG(SCEGE, "glReadPixels: GL_INVALID_ENUM");
break;
case GL_INVALID_VALUE:
ERROR_LOG(SCEGE, "glReadPixels: GL_INVALID_VALUE");
break;
case GL_INVALID_OPERATION:
ERROR_LOG(SCEGE, "glReadPixels: GL_INVALID_OPERATION");
break;
case GL_INVALID_FRAMEBUFFER_OPERATION:
ERROR_LOG(SCEGE, "glReadPixels: GL_INVALID_FRAMEBUFFER_OPERATION");
break;
case GL_OUT_OF_MEMORY:
ERROR_LOG(SCEGE, "glReadPixels: GL_OUT_OF_MEMORY");
break;
case GL_STACK_UNDERFLOW:
ERROR_LOG(SCEGE, "glReadPixels: GL_STACK_UNDERFLOW");
break;
case GL_STACK_OVERFLOW:
ERROR_LOG(SCEGE, "glReadPixels: GL_STACK_OVERFLOW");
break;
}
}
void FramebufferManager::PackFramebufferAsync_(VirtualFramebuffer *vfb) {
const int MAX_PBO = 2;
GLubyte *packed = 0;
bool unbind = false;
u8 nextPBO = (currentPBO_ + 1) % MAX_PBO;
bool useCPU = g_Config.iRenderingMode == FB_READFBOMEMORY_CPU;
// We'll prepare two PBOs to switch between readying and reading
if (!pixelBufObj_) {
GLuint pbos[MAX_PBO];
glGenBuffers(MAX_PBO, pbos);
pixelBufObj_ = new AsyncPBO[MAX_PBO];
for (int i = 0; i < MAX_PBO; i++) {
pixelBufObj_[i].handle = pbos[i];
pixelBufObj_[i].maxSize = 0;
pixelBufObj_[i].reading = false;
}
}
// Receive previously requested data from a PBO
AsyncPBO &pbo = pixelBufObj_[nextPBO];
if (pbo.reading) {
glBindBuffer(GL_PIXEL_PACK_BUFFER, pbo.handle);
packed = (GLubyte *)glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
if (packed) {
DEBUG_LOG(SCEGE, "Reading PBO to memory , bufSize = %u, packed = %p, fb_address = %08x, stride = %u, pbo = %u",
pbo.size, packed, pbo.fb_address, pbo.stride, nextPBO);
if (useCPU || (UseBGRA8888() && pbo.format == GE_FORMAT_8888)) {
u8 *dst = Memory::GetPointer(pbo.fb_address);
ConvertFromRGBA8888(dst, packed, pbo.stride, pbo.height, pbo.format);
} else {
// We don't need to convert, GPU already did (or should have)
Memory::Memcpy(pbo.fb_address, packed, pbo.size);
}
pbo.reading = false;
}
glUnmapBuffer(GL_PIXEL_PACK_BUFFER);
unbind = true;
}
// Order packing/readback of the framebuffer
if (vfb) {
int pixelType, pixelSize, pixelFormat, align;
bool reverseOrder = (gl_extensions.gpuVendor == GPU_VENDOR_NVIDIA) || (gl_extensions.gpuVendor == GPU_VENDOR_AMD);
switch (vfb->format) {
// GL_UNSIGNED_INT_8_8_8_8 returns A B G R (little-endian, tested in Nvidia card/x86 PC)
// GL_UNSIGNED_BYTE returns R G B A in consecutive bytes ("big-endian"/not treated as 32-bit value)
// We want R G B A, so we use *_REV for 16-bit formats and GL_UNSIGNED_BYTE for 32-bit
case GE_FORMAT_4444: // 16 bit RGBA
pixelType = (reverseOrder ? GL_UNSIGNED_SHORT_4_4_4_4_REV : GL_UNSIGNED_SHORT_4_4_4_4);
pixelFormat = GL_RGBA;
pixelSize = 2;
align = 8;
break;
case GE_FORMAT_5551: // 16 bit RGBA
pixelType = (reverseOrder ? GL_UNSIGNED_SHORT_1_5_5_5_REV : GL_UNSIGNED_SHORT_5_5_5_1);
pixelFormat = GL_RGBA;
pixelSize = 2;
align = 8;
break;
case GE_FORMAT_565: // 16 bit RGB
pixelType = (reverseOrder ? GL_UNSIGNED_SHORT_5_6_5_REV : GL_UNSIGNED_SHORT_5_6_5);
pixelFormat = GL_RGB;
pixelSize = 2;
align = 8;
break;
case GE_FORMAT_8888: // 32 bit RGBA
default:
pixelType = GL_UNSIGNED_BYTE;
pixelFormat = UseBGRA8888() ? GL_BGRA_EXT : GL_RGBA;
pixelSize = 4;
align = 4;
break;
}
// If using the CPU, we need 4 bytes per pixel always.
u32 bufSize = vfb->fb_stride * vfb->height * (useCPU ? 4 : pixelSize);
u32 fb_address = (0x04000000) | vfb->fb_address;
if (vfb->fbo) {
fbo_bind_for_read(vfb->fbo);
} else {
ERROR_LOG_REPORT_ONCE(vfbfbozero, SCEGE, "PackFramebufferAsync_: vfb->fbo == 0");
fbo_unbind();
if (gl_extensions.FBO_ARB) {
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
}
return;
}
if (glCheckFramebufferStatus(GL_READ_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
ERROR_LOG(SCEGE, "Incomplete source framebuffer, aborting read");
fbo_unbind();
if (gl_extensions.FBO_ARB) {
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
}
return;
}
glBindBuffer(GL_PIXEL_PACK_BUFFER, pixelBufObj_[currentPBO_].handle);
if (pixelBufObj_[currentPBO_].maxSize < bufSize) {
// We reserve a buffer big enough to fit all those pixels
glBufferData(GL_PIXEL_PACK_BUFFER, bufSize, NULL, GL_DYNAMIC_READ);
pixelBufObj_[currentPBO_].maxSize = bufSize;
}
if (useCPU) {
// If converting pixel formats on the CPU we'll always request RGBA8888
glPixelStorei(GL_PACK_ALIGNMENT, 4);
glReadPixels(0, 0, vfb->fb_stride, vfb->height, UseBGRA8888() ? GL_BGRA_EXT : GL_RGBA, GL_UNSIGNED_BYTE, 0);
} else {
// Otherwise we'll directly request the format we need and let the GPU sort it out
glPixelStorei(GL_PACK_ALIGNMENT, align);
glReadPixels(0, 0, vfb->fb_stride, vfb->height, pixelFormat, pixelType, 0);
}
// LogReadPixelsError(glGetError());
fbo_unbind();
if (gl_extensions.FBO_ARB) {
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
}
unbind = true;
pixelBufObj_[currentPBO_].fb_address = fb_address;
pixelBufObj_[currentPBO_].size = bufSize;
pixelBufObj_[currentPBO_].stride = vfb->fb_stride;
pixelBufObj_[currentPBO_].height = vfb->height;
pixelBufObj_[currentPBO_].format = vfb->format;
pixelBufObj_[currentPBO_].reading = true;
}
currentPBO_ = nextPBO;
if (unbind) {
glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
}
}
#endif
void FramebufferManager::PackFramebufferSync_(VirtualFramebuffer *vfb) {
if (vfb->fbo) {
fbo_bind_for_read(vfb->fbo);
} else {
ERROR_LOG_REPORT_ONCE(vfbfbozero, SCEGE, "PackFramebufferSync_: vfb->fbo == 0");
fbo_unbind();
if (gl_extensions.FBO_ARB) {
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
}
return;
}
// Pixel size always 4 here because we always request RGBA8888
size_t bufSize = vfb->fb_stride * vfb->height * 4;
u32 fb_address = (0x04000000) | vfb->fb_address;
GLubyte *packed = 0;
bool convert = vfb->format != GE_FORMAT_8888 || UseBGRA8888();
if (!convert) {
packed = (GLubyte *)Memory::GetPointer(fb_address);
} else { // End result may be 16-bit but we are reading 32-bit, so there may not be enough space at fb_address
packed = (GLubyte *)malloc(bufSize * sizeof(GLubyte));
}
if (packed) {
DEBUG_LOG(SCEGE, "Reading framebuffer to mem, bufSize = %u, packed = %p, fb_address = %08x",
(u32)bufSize, packed, fb_address);
glPixelStorei(GL_PACK_ALIGNMENT, 4);
GLenum glfmt = GL_RGBA;
#if defined(MAY_HAVE_GLES3)
if (UseBGRA8888()) {
glfmt = GL_BGRA_EXT;
}
#endif
glReadPixels(0, 0, vfb->fb_stride, vfb->height, glfmt, GL_UNSIGNED_BYTE, packed);
// LogReadPixelsError(glGetError());
if (convert) {
ConvertFromRGBA8888(Memory::GetPointer(fb_address), packed, vfb->fb_stride, vfb->height, vfb->format);
free(packed);
}
}
fbo_unbind();
}
void FramebufferManager::EndFrame() {
if (resized_) {
DestroyAllFBOs();
glstate.viewport.set(0, 0, PSP_CoreParameter().pixelWidth, PSP_CoreParameter().pixelHeight);
int zoom = g_Config.iInternalResolution;
if (zoom == 0) // auto mode
zoom = (PSP_CoreParameter().pixelWidth + 479) / 480;
PSP_CoreParameter().renderWidth = 480 * zoom;
PSP_CoreParameter().renderHeight = 272 * zoom;
resized_ = false;
}
#ifndef USING_GLES2
// We flush to memory last requested framebuffer, if any.
// Only do this in the read-framebuffer modes.
if (g_Config.iRenderingMode == FB_READFBOMEMORY_CPU || g_Config.iRenderingMode == FB_READFBOMEMORY_GPU)
PackFramebufferAsync_(NULL);
#endif
}
void FramebufferManager::DeviceLost() {
DestroyAllFBOs();
DestroyDraw2DProgram();
resized_ = false;
}
void FramebufferManager::BeginFrame() {
DecimateFBOs();
currentRenderVfb_ = 0;
useBufferedRendering_ = g_Config.iRenderingMode != FB_NON_BUFFERED_MODE;
}
void FramebufferManager::SetDisplayFramebuffer(u32 framebuf, u32 stride, GEBufferFormat format) {
displayFramebufPtr_ = framebuf;
displayStride_ = stride;
displayFormat_ = format;
}
std::vector<FramebufferInfo> FramebufferManager::GetFramebufferList() {
std::vector<FramebufferInfo> list;
for (size_t i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *vfb = vfbs_[i];
FramebufferInfo info;
info.fb_address = vfb->fb_address;
info.z_address = vfb->z_address;
info.format = vfb->format;
info.width = vfb->width;
info.height = vfb->height;
info.fbo = vfb->fbo;
list.push_back(info);
}
return list;
}
void FramebufferManager::DecimateFBOs() {
fbo_unbind();
currentRenderVfb_ = 0;
for (size_t i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *vfb = vfbs_[i];
int age = frameLastFramebufUsed - std::max(vfb->last_frame_render, vfb->last_frame_used);
if (updateVRAM_ && age == 0 && !vfb->memoryUpdated) {
#ifdef USING_GLES2
bool sync = true;
#else
bool sync = false;
#endif
ReadFramebufferToMemory(vfb, sync, 0, 0, vfb->width, vfb->height);
}
if (vfb == displayFramebuf_ || vfb == prevDisplayFramebuf_ || vfb == prevPrevDisplayFramebuf_) {
continue;
}
if (age > FBO_OLD_AGE) {
INFO_LOG(SCEGE, "Decimating FBO for %08x (%i x %i x %i), age %i", vfb->fb_address, vfb->width, vfb->height, vfb->format, age)
DestroyFramebuf(vfb);
vfbs_.erase(vfbs_.begin() + i--);
}
}
// Do the same for ReadFramebuffersToMemory's VFBs
for (size_t i = 0; i < bvfbs_.size(); ++i) {
VirtualFramebuffer *vfb = bvfbs_[i];
int age = frameLastFramebufUsed - vfb->last_frame_render;
if (age > FBO_OLD_AGE) {
INFO_LOG(SCEGE, "Decimating FBO for %08x (%i x %i x %i), age %i", vfb->fb_address, vfb->width, vfb->height, vfb->format, age)
DestroyFramebuf(vfb);
bvfbs_.erase(bvfbs_.begin() + i--);
}
}
}
void FramebufferManager::DestroyAllFBOs() {
fbo_unbind();
currentRenderVfb_ = 0;
displayFramebuf_ = 0;
prevDisplayFramebuf_ = 0;
prevPrevDisplayFramebuf_ = 0;
for (size_t i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *vfb = vfbs_[i];
INFO_LOG(SCEGE, "Destroying FBO for %08x : %i x %i x %i", vfb->fb_address, vfb->width, vfb->height, vfb->format);
DestroyFramebuf(vfb);
}
vfbs_.clear();
}
void FramebufferManager::UpdateFromMemory(u32 addr, int size, bool safe) {
addr &= ~0x40000000;
// TODO: Could go through all FBOs, but probably not important?
// TODO: Could also check for inner changes, but video is most important.
if (addr == DisplayFramebufAddr() || addr == PrevDisplayFramebufAddr() || safe) {
// TODO: Deleting the FBO is a heavy hammer solution, so let's only do it if it'd help.
if (!Memory::IsValidAddress(displayFramebufPtr_))
return;
bool needUnbind = false;
for (size_t i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *vfb = vfbs_[i];
if (MaskedEqual(vfb->fb_address, addr)) {
fbo_unbind();
currentRenderVfb_ = 0;
vfb->dirtyAfterDisplay = true;
vfb->reallyDirtyAfterDisplay = true;
// TODO: This without the fbo_unbind() above would be better than destroying the FBO.
// However, it doesn't seem to work for Star Ocean, at least
if (useBufferedRendering_ && vfb->fbo) {
DisableState();
fbo_bind_as_render_target(vfb->fbo);
int w = vfb->bufferWidth;
int h = vfb->bufferHeight;
// Often, the framebuffer size is incorrect. But here we have the size. Bit of a hack.
if (vfb->fb_stride == 512 && (size == 512 * 272 * 4 || size == 512 * 272 * 2)) {
// Looks like a standard 480x272 sized framebuffer/video/etc.
w = 480;
h = 272;
}
// Scale by the render resolution factor.
w = (w * vfb->renderWidth) / vfb->bufferWidth;
h = (h * vfb->renderHeight) / vfb->bufferHeight;
glstate.viewport.set(0, vfb->renderHeight - h, w, h);
needUnbind = true;
DrawPixels(vfb, 0, 0, Memory::GetPointer(addr | 0x04000000), vfb->format, vfb->fb_stride, vfb->width, vfb->height);
} else {
INFO_LOG(SCEGE, "Invalidating FBO for %08x (%i x %i x %i)", vfb->fb_address, vfb->width, vfb->height, vfb->format)
DestroyFramebuf(vfb);
vfbs_.erase(vfbs_.begin() + i--);
}
}
}
if (needUnbind)
fbo_unbind();
}
}
void FramebufferManager::NotifyFramebufferCopy(u32 src, u32 dst, int size) {
// MotoGP workaround
if (Memory::IsVRAMAddress(src) && Memory::IsRAMAddress(dst)) {
for (size_t i = 0; i < vfbs_.size(); i++) {
int bpp = vfbs_[i]->format == GE_FORMAT_8888 ? 4 : 2;
int fsize = FramebufferByteSize(vfbs_[i]);
if (MaskedEqual(vfbs_[i]->fb_address, src) && size == fsize) {
// A framebuffer matched!
knownFramebufferRAMCopies_.insert(std::pair<u32, u32>(src, dst));
}
}
}
VirtualFramebuffer *dstBuffer = 0;
VirtualFramebuffer *srcBuffer = 0;
for (size_t i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *vfb = vfbs_[i];
if (MaskedEqual(vfb->fb_address, dst)) {
dstBuffer = vfb;
}
if (MaskedEqual(vfb->fb_address, src)) {
srcBuffer = vfb;
}
}
// TODO: Do ReadFramebufferToMemory etc where applicable.
// This will slow down MotoGP but make the hack above unnecessary.
if (dstBuffer && srcBuffer) {
if (srcBuffer == dstBuffer) {
WARN_LOG_REPORT_ONCE(dstsrccpy, G3D, "Intra-buffer memcpy (not supported) %08x -> %08x", src, dst);
} else {
WARN_LOG_REPORT_ONCE(dstnotsrccpy, G3D, "Inter-buffer memcpy (not supported) %08x -> %08x", src, dst);
// Just do the blit!
// if (g_Config.bBlockTransferGPU) {
// BlitFramebuffer_(dstBuffer, 0, 0, srcBuffer, 0, 0, srcBuffer->width, srcBuffer->height, 0);
// }
}
} else if (dstBuffer) {
WARN_LOG_REPORT_ONCE(btucpy, G3D, "Memcpy fbo upload (not supported) %08x -> %08x", src, dst);
// Here we should just draw the pixels into the buffer.
// if (g_Config.bBlockTransferGPU) {
// }
} else if (srcBuffer && g_Config.iRenderingMode == FB_BUFFERED_MODE) {
WARN_LOG_REPORT_ONCE(btdcpy, G3D, "Memcpy fbo download (not supported) %08x -> %08x", src, dst);
// if (g_Config.bBlockTransferGPU) {
// ReadFramebufferToMemory(srcBuffer, true, 0, 0, srcBuffer->width, srcBuffer->height);
// }
}
}
u32 FramebufferManager::FramebufferByteSize(const VirtualFramebuffer *vfb) const {
return vfb->fb_stride * vfb->height * (vfb->format == GE_FORMAT_8888 ? 4 : 2);
}
void FramebufferManager::FindTransferFramebuffers(VirtualFramebuffer *&dstBuffer, VirtualFramebuffer *&srcBuffer, u32 dstBasePtr, int dstStride, int &dstX, int &dstY, u32 srcBasePtr, int srcStride, int &srcX, int &srcY, int bpp) const {
int dstYOffset = 0;
int srcYOffset = 0;
for (size_t i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *vfb = vfbs_[i];
const u32 vfb_address = 0x04000000 | vfb->fb_address;
const u32 vfb_size = FramebufferByteSize(vfb);
if (vfb_address <= dstBasePtr && dstBasePtr < vfb_address + vfb_size) {
dstYOffset = (dstBasePtr - vfb_address) / (dstStride * bpp);
dstBuffer = vfb;
}
if (vfb_address <= srcBasePtr && srcBasePtr < vfb_address + vfb_size) {
srcYOffset = (srcBasePtr - vfb_address) / (srcStride * bpp);
srcBuffer = vfb;
}
}
dstY += dstYOffset;
srcY += srcYOffset;
}
bool FramebufferManager::NotifyBlockTransferBefore(u32 dstBasePtr, int dstStride, int dstX, int dstY, u32 srcBasePtr, int srcStride, int srcX, int srcY, int width, int height, int bpp) {
if (!(g_Config.iRenderingMode == FB_BUFFERED_MODE)) {
return false;
}
// Skip checking if there's no framebuffers in that area.
if (!MayIntersectFramebuffer(srcBasePtr) && !MayIntersectFramebuffer(dstBasePtr)) {
return false;
}
VirtualFramebuffer *dstBuffer = 0;
VirtualFramebuffer *srcBuffer = 0;
FindTransferFramebuffers(dstBuffer, srcBuffer, dstBasePtr, dstStride, dstX, dstY, srcBasePtr, srcStride, srcX, srcY, bpp);
if (dstBuffer && srcBuffer) {
if (srcBuffer == dstBuffer) {
WARN_LOG_REPORT_ONCE(dstsrc, G3D, "Intra-buffer block transfer (not supported) %08x -> %08x", srcBasePtr, dstBasePtr);
} else {
WARN_LOG_ONCE(dstnotsrc, G3D, "Inter-buffer block transfer %08x -> %08x", srcBasePtr, dstBasePtr);
// Just do the blit!
if (g_Config.bBlockTransferGPU) {
BlitFramebuffer_(dstBuffer, dstX, dstY, srcBuffer, srcX, srcY, width, height, bpp);
return true; // No need to actually do the memory copy behind, probably.
}
}
return false;
} else if (dstBuffer) {
// Here we should just draw the pixels into the buffer. Copy first.
return false;
} else if (srcBuffer) {
WARN_LOG_ONCE(btd, G3D, "Block transfer download %08x -> %08x", srcBasePtr, dstBasePtr);
if (g_Config.bBlockTransferGPU && (srcBuffer == currentRenderVfb_ || !srcBuffer->memoryUpdated)) {
ReadFramebufferToMemory(srcBuffer, true, srcX, srcY, width, height);
}
return false; // Let the bit copy happen
} else {
return false;
}
}
void FramebufferManager::NotifyBlockTransferAfter(u32 dstBasePtr, int dstStride, int dstX, int dstY, u32 srcBasePtr, int srcStride, int srcX, int srcY, int width, int height, int bpp) {
if (!(g_Config.iRenderingMode == FB_BUFFERED_MODE)) {
return;
}
// TODO: This can probably just be handled by a normal block transfer upload, no?
if (Memory::IsRAMAddress(srcBasePtr) && MayIntersectFramebuffer(dstBasePtr)) {
// TODO: This causes glitches in Tactics Ogre if we don't implement both ways (which will probably be slow...)
// The main thing this helps is videos, which will have a matching stride, and zero x/y.
if (dstStride == srcStride && dstY == 0 && dstX == 0 && srcX == 0 && srcY == 0) {
UpdateFromMemory(dstBasePtr, (dstY + height) * dstStride * bpp, true);
}
}
// A few games use this INSTEAD of actually drawing the video image to the screen, they just blast it to
// the backbuffer. Detect this and have the framebuffermanager draw the pixels.
u32 backBuffer = PrevDisplayFramebufAddr();
u32 displayBuffer = DisplayFramebufAddr();
// TODO: Is this not handled by upload? Should we check !dstBuffer to avoid a double copy?
if (((backBuffer != 0 && dstBasePtr == backBuffer) ||
(displayBuffer != 0 && dstBasePtr == displayBuffer)) &&
dstStride == 512 && height == 272) {
// TODO: Use displayFormat_ instead of GE_FORMAT_8888?
DrawFramebuffer(Memory::GetPointerUnchecked(dstBasePtr), GE_FORMAT_8888, 512, false);
}
if (MayIntersectFramebuffer(srcBasePtr) || MayIntersectFramebuffer(dstBasePtr)) {
VirtualFramebuffer *dstBuffer = 0;
VirtualFramebuffer *srcBuffer = 0;
FindTransferFramebuffers(dstBuffer, srcBuffer, dstBasePtr, dstStride, dstX, dstY, srcBasePtr, srcStride, srcX, srcY, bpp);
if (dstBuffer && !srcBuffer) {
WARN_LOG_REPORT_ONCE(btu, G3D, "Block transfer upload %08x -> %08x", srcBasePtr, dstBasePtr);
if (g_Config.bBlockTransferGPU) {
u8 *srcBase = Memory::GetPointerUnchecked(srcBasePtr) + (srcX + srcY * srcStride) * bpp;
DrawPixels(dstBuffer, dstX, dstY, srcBase, dstBuffer->format, srcStride * bpp, width, height);
}
}
}
}
void FramebufferManager::Resized() {
resized_ = true;
}
bool FramebufferManager::GetCurrentFramebuffer(GPUDebugBuffer &buffer) {
u32 fb_address = gstate.getFrameBufRawAddress();
int fb_stride = gstate.FrameBufStride();
VirtualFramebuffer *vfb = currentRenderVfb_;
if (!vfb) {
vfb = GetVFBAt(fb_address);
}
if (!vfb) {
// If there's no vfb and we're drawing there, must be memory?
buffer = GPUDebugBuffer(Memory::GetPointer(fb_address | 0x04000000), fb_stride, 512, gstate.FrameBufFormat());
return true;
}
buffer.Allocate(vfb->renderWidth, vfb->renderHeight, GE_FORMAT_8888, true, true);
if (vfb->fbo)
fbo_bind_for_read(vfb->fbo);
#ifndef USING_GLES2
glReadBuffer(GL_COLOR_ATTACHMENT0);
#endif
glPixelStorei(GL_PACK_ALIGNMENT, 4);
glReadPixels(0, 0, vfb->renderWidth, vfb->renderHeight, GL_RGBA, GL_UNSIGNED_BYTE, buffer.GetData());
return true;
}
bool FramebufferManager::GetCurrentDepthbuffer(GPUDebugBuffer &buffer) {
u32 fb_address = gstate.getFrameBufRawAddress();
int fb_stride = gstate.FrameBufStride();
u32 z_address = gstate.getDepthBufRawAddress();
int z_stride = gstate.DepthBufStride();
VirtualFramebuffer *vfb = currentRenderVfb_;
if (!vfb) {
vfb = GetVFBAt(fb_address);
}
if (!vfb) {
// If there's no vfb and we're drawing there, must be memory?
// TODO: Is the value 16-bit? It seems to be.
buffer = GPUDebugBuffer(Memory::GetPointer(z_address | 0x04000000), z_stride, 512, GPU_DBG_FORMAT_16BIT);
return true;
}
#ifndef USING_GLES2
buffer.Allocate(vfb->renderWidth, vfb->renderHeight, GPU_DBG_FORMAT_16BIT, true);
if (vfb->fbo)
fbo_bind_for_read(vfb->fbo);
glReadBuffer(GL_DEPTH_ATTACHMENT);
glPixelStorei(GL_PACK_ALIGNMENT, 4);
glReadPixels(0, 0, vfb->renderWidth, vfb->renderHeight, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, buffer.GetData());
return true;
#else
return false;
#endif
}
bool FramebufferManager::GetCurrentStencilbuffer(GPUDebugBuffer &buffer) {
u32 fb_address = gstate.getFrameBufRawAddress();
int fb_stride = gstate.FrameBufStride();
VirtualFramebuffer *vfb = currentRenderVfb_;
if (!vfb) {
vfb = GetVFBAt(fb_address);
}
if (!vfb) {
// If there's no vfb and we're drawing there, must be memory?
// TODO: Actually get the stencil.
buffer = GPUDebugBuffer(Memory::GetPointer(fb_address | 0x04000000), fb_stride, 512, GPU_DBG_FORMAT_8888);
return true;
}
#ifndef USING_GLES2
buffer.Allocate(vfb->renderWidth, vfb->renderHeight, GPU_DBG_FORMAT_8BIT, true);
if (vfb->fbo)
fbo_bind_for_read(vfb->fbo);
glReadBuffer(GL_STENCIL_ATTACHMENT);
glPixelStorei(GL_PACK_ALIGNMENT, 2);
glReadPixels(0, 0, vfb->renderWidth, vfb->renderHeight, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, buffer.GetData());
return true;
#else
return false;
#endif
}
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