piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-24 06:39:46 -06:00
Code Issues Packages Projects Releases Wiki Activity

GL plugin: VSync option, some renaming, a little bit of MSAA preparations (not there yet)

Browse Source 
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2563 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2009-03-05 23:11:13 +00:00
parent 02a4b49df1
commit 75390c55bd
17 changed files with 268 additions and 289 deletions
Download Patch File Download Diff File Expand all files Collapse all files

281
Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
View File

@ -15,8 +15,8 @@
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Globals.h"
#include <vector>
#include <cmath>
@ -63,7 +63,6 @@
#else
#endif
CGcontext g_cgcontext;
CGprofile g_cgvProf;
CGprofile g_cgfProf;
@ -72,15 +71,38 @@ RasterFont* s_pfont = NULL;
static bool s_bFullscreen = false;
static int nZBufferRender = 0; // if > 0, then use zbuffer render, and count down.
static int nZBufferRender = 0; // if > 0, then use zbuffer render, and count down.
static bool MSAA = false;
// Normal Mode
// s_RenderTarget is a texture_rect
// s_DepthTarget is a Z renderbuffer
// s_FakeZTarget is a texture_rect
// MSAA mode
// s_uFramebuffer is a FBO
// s_RenderTarget is a MSAA renderbuffer
// s_FakeZBufferTarget is a MSAA renderbuffer
// s_DepthTarget is a real MSAA z/stencilbuffer
//
// s_ResolvedFramebuffer is a FBO
// s_ResolvedColorTarget is a texture
// s_ResolvedFakeZTarget is a texture
// s_ResolvedDepthTarget is a Z renderbuffer
// A framebuffer is a set of render targets: a color and a z buffer. They can be either RenderBuffers or Textures.
static GLuint s_uFramebuffer = 0;
// The size of these should be a (not necessarily even) multiple of the EFB size, 640x528, but isn'.t
// The size of these should be a (not necessarily even) multiple of the EFB size, 640x528, but isn't.
// These are all texture IDs. Bind them as rect arb textures.
static GLuint s_RenderTarget = 0;
static GLuint s_DepthTarget = 0;
static GLuint s_ZBufferTarget = 0;
static GLuint s_FakeZTarget = 0;
static GLuint s_DepthTarget = 0;
static GLuint s_ResolvedRenderTarget = 0;
static GLuint s_ResolvedFakeZTarget = 0;
static GLuint s_ResolvedDepthTarget = 0;
static bool s_bATIDrawBuffers = false;
static bool s_bHaveStencilBuffer = false;
@ -96,13 +118,16 @@ bool g_bBlendSeparate = false;
int frameCount;
static int s_fps = 0;
// These STAY CONSTANT during execution, no matter how much you resize the game window.
// These STAY CONSTANT during execution, no matter how much you resize the game window.\
// TODO: Add functionality to reinit all the render targets when the window is resized.
static int s_targetwidth; // Size of render buffer FBO.
static int s_targetheight;
static u32 s_blendMode;
void HandleCgError(CGcontext ctx, CGerror err, void *appdata);
extern void HandleCgError(CGcontext ctx, CGerror err, void *appdata);
namespace {
static const GLenum glSrcFactors[8] =
{
@ -121,6 +146,24 @@ static const GLenum glDestFactors[8] = {
GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
};
void SetDefaultRectTexParams()
{
// Set some standard texture filter modes.
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (glGetError() != GL_NO_ERROR) {
GLenum err;
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
GL_REPORT_ERROR();
}
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
} // namespace
bool Renderer::Init()
{
bool bSuccess = true;
@ -132,6 +175,7 @@ bool Renderer::Init()
cgGetError();
cgSetErrorHandler(HandleCgError, NULL);
// Look for required extensions.
const char *ptoken = (const char*)glGetString(GL_EXTENSIONS);
if (!ptoken)
@ -143,9 +187,10 @@ bool Renderer::Init()
INFO_LOG(VIDEO, ptoken); // write to the log file
INFO_LOG(VIDEO, "\n");
if (strstr(ptoken, "GL_EXT_blend_func_separate") != NULL && strstr(ptoken,
"GL_EXT_blend_equation_separate") != NULL)
if (strstr(ptoken, "GL_EXT_blend_func_separate") != NULL &&
strstr(ptoken, "GL_EXT_blend_equation_separate") != NULL)
g_bBlendSeparate = true;
// Checks if it ONLY has the ATI_draw_buffers extension, some have both
if (GLEW_ATI_draw_buffers && !GLEW_ARB_draw_buffers)
s_bATIDrawBuffers = true;
@ -176,20 +221,17 @@ bool Renderer::Init()
if (!bSuccess)
return false;
// Handle VSync on/off
#ifdef _WIN32
if (WGLEW_EXT_swap_control)
wglSwapIntervalEXT(0);
wglSwapIntervalEXT(g_Config.bVSync ? 1 : 0);
else
ERROR_LOG(VIDEO, "no support for SwapInterval (framerate clamped to monitor refresh rate)\nDoes your video card support OpenGL 2.x?");
#elif defined(HAVE_X11) && HAVE_X11
if (glXSwapIntervalSGI)
glXSwapIntervalSGI(0);
glXSwapIntervalSGI(g_Config.bVSync ? 1 : 0);
else
ERROR_LOG(VIDEO, "no support for SwapInterval (framerate clamped to monitor refresh rate)\n");
#else
//TODO
#endif
// check the max texture width and height
@ -229,83 +271,60 @@ bool Renderer::Init()
if (s_targetheight < EFB_HEIGHT)
s_targetheight = EFB_HEIGHT;
// Create the framebuffer target texture
glGenTextures(1, (GLuint *)&s_RenderTarget);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, s_RenderTarget);
if (!MSAA) {
// Create the framebuffer target texture
glGenTextures(1, (GLuint *)&s_RenderTarget);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, s_RenderTarget);
// Create our main color render target as a texture rectangle of the desired size.
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, 4, s_targetwidth, s_targetheight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
SetDefaultRectTexParams();
// Setup the texture params
// initialize to default
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, 4, s_targetwidth, s_targetheight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (glGetError() != GL_NO_ERROR) {
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
GL_REPORT_ERROR();
}
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
GL_REPORT_ERROR();
GL_REPORT_ERROR();
GLint nMaxMRT = 0;
glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS_EXT, &nMaxMRT);
if (nMaxMRT > 1)
{
// There's MRT support. Create a color texture image to use as secondary render target.
// We use MRT to render Z into this one, for various purposes (mostly copy Z to texture).
glGenTextures(1, (GLuint *)&s_FakeZTarget);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, s_FakeZTarget);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, 4, s_targetwidth, s_targetheight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
SetDefaultRectTexParams();
}
GLint nMaxMRT = 0;
glGetIntegerv(GL_MAX_COLOR_ATTACHMENTS_EXT, &nMaxMRT);
if (nMaxMRT > 1)
{
// Create zbuffer target.
glGenTextures(1, (GLuint *)&s_ZBufferTarget);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, s_ZBufferTarget);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, 4, s_targetwidth, s_targetheight, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (glGetError() != GL_NO_ERROR) {
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP);
GL_REPORT_ERROR();
}
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
}
// Create the real depth/stencil buffer. It's a renderbuffer, not a texture.
glGenRenderbuffersEXT(1, &s_DepthTarget);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, s_DepthTarget);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT, s_targetwidth, s_targetheight);
GL_REPORT_ERROR();
// Our framebuffer object is still bound here. Attach the two render targets, color and Z/stencil, to the framebuffer object.
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, s_RenderTarget, 0);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, s_DepthTarget);
GL_REPORT_ERROR();
// create the depth buffer
glGenRenderbuffersEXT(1, &s_DepthTarget);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, s_DepthTarget);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT, s_targetwidth, s_targetheight);
if (glGetError() != GL_NO_ERROR)
{
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, s_targetwidth, s_targetheight);
s_bHaveStencilBuffer = false;
}
else
{
s_bHaveStencilBuffer = true;
if (s_FakeZTarget != 0) {
// We do a simple test to make sure that MRT works. I don't really know why - this is probably a workaround for
// some terribly buggy ancient driver.
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_RECTANGLE_ARB, s_FakeZTarget, 0);
bool bFailed = glGetError() != GL_NO_ERROR || glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE_EXT;
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_RECTANGLE_ARB, 0, 0);
if (bFailed) {
glDeleteTextures(1, (GLuint *)&s_FakeZTarget);
s_FakeZTarget = 0;
}
}
if (s_FakeZTarget == 0)
ERROR_LOG(VIDEO, "Disabling ztarget MRT feature (max MRT = %d)\n", nMaxMRT);
} else {
// TODO MSAA rendertarget init
}
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
GL_REPORT_ERROR();
// Select our render and depth targets as render targets.
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_RECTANGLE_ARB, s_RenderTarget, 0);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_ATTACHMENT_EXT, GL_RENDERBUFFER_EXT, s_DepthTarget);
GL_REPORT_ERROR();
if (s_ZBufferTarget != 0) {
// test to make sure it works
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_RECTANGLE_ARB, s_ZBufferTarget, 0);
bool bFailed = glGetError() != GL_NO_ERROR || glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE_EXT;
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_RECTANGLE_ARB, 0, 0);
if (bFailed) {
glDeleteTextures(1, (GLuint *)&s_ZBufferTarget);
s_ZBufferTarget = 0;
}
}
if (s_ZBufferTarget == 0)
ERROR_LOG(VIDEO, "Disabling ztarget MRT feature (max MRT = %d)\n", nMaxMRT);
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
nZBufferRender = 0;
nZBufferRender = 0; // Initialize the Z render shutoff countdown. We only render Z if it's desired, to save GPU power.
GL_REPORT_ERROR();
if (err != GL_NO_ERROR)
@ -331,9 +350,9 @@ bool Renderer::Init()
INFO_LOG(VIDEO, "Max buffer sizes: %d %d\n", cgGetProgramBufferMaxSize(g_cgvProf), cgGetProgramBufferMaxSize(g_cgfProf));
int nenvvertparams, nenvfragparams, naddrregisters[2];
glGetProgramivARB(GL_VERTEX_PROGRAM_ARB, GL_MAX_PROGRAM_ENV_PARAMETERS_ARB, (GLint *)&nenvvertparams);
glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_MAX_PROGRAM_ENV_PARAMETERS_ARB, (GLint *)&nenvfragparams);
glGetProgramivARB(GL_VERTEX_PROGRAM_ARB, GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB, (GLint *)&naddrregisters[0]);
glGetProgramivARB(GL_VERTEX_PROGRAM_ARB, GL_MAX_PROGRAM_ENV_PARAMETERS_ARB, (GLint *)&nenvvertparams);
glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_MAX_PROGRAM_ENV_PARAMETERS_ARB, (GLint *)&nenvfragparams);
glGetProgramivARB(GL_VERTEX_PROGRAM_ARB, GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB, (GLint *)&naddrregisters[0]);
glGetProgramivARB(GL_FRAGMENT_PROGRAM_ARB, GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB, (GLint *)&naddrregisters[1]);
DEBUG_LOG(VIDEO, "Max program env parameters: vert=%d, frag=%d\n", nenvvertparams, nenvfragparams);
DEBUG_LOG(VIDEO, "Max program address register parameters: vert=%d, frag=%d\n", naddrregisters[0], naddrregisters[1]);
@ -344,14 +363,8 @@ bool Renderer::Init()
#ifndef _DEBUG
cgGLSetDebugMode(GL_FALSE);
#endif
if (cgGetError() != CG_NO_ERROR) {
ERROR_LOG(VIDEO, "cg error\n");
return false;
}
s_RenderMode = Renderer::RM_Normal;
if (!InitializeGL())
return false;
@ -406,13 +419,13 @@ bool Renderer::InitializeGL()
glPixelStorei(GL_UNPACK_ALIGNMENT, 4); // 4-byte pixel alignment
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // perspective correct interpolation of colors and tex coords
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST);
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glHint(GL_POLYGON_SMOOTH_HINT, GL_DONT_CARE); // Polygon smoothing is ancient junk that doesn't work anymore. MSAA is modern AA.
glDisable(GL_STENCIL_TEST);
glEnable(GL_SCISSOR_TEST);
// Do we really need to set this initial glScissor() value? Wont it be called all the time while the game is running?
//glScissor(0, 0, (int)OpenGL_GetWidth(), (int)OpenGL_GetHeight());
glScissor(0, 0, GetTargetWidth(), GetTargetHeight());
glBlendColorEXT(0, 0, 0, 0.5f);
glClearDepth(1.0f);
@ -438,12 +451,12 @@ bool Renderer::InitializeGL()
// ------------------------
int Renderer::GetTargetWidth()
{
return (g_Config.bNativeResolution ? EFB_WIDTH : s_targetwidth);
return g_Config.bNativeResolution ? EFB_WIDTH : s_targetwidth;
}
int Renderer::GetTargetHeight()
{
return (g_Config.bNativeResolution ? EFB_HEIGHT : s_targetheight);
return g_Config.bNativeResolution ? EFB_HEIGHT : s_targetheight;
}
float Renderer::GetTargetScaleX()
@ -476,13 +489,21 @@ void Renderer::SetFramebuffer(GLuint fb)
fb != 0 ? fb : s_uFramebuffer);
}
GLuint Renderer::GetRenderTarget()
GLuint Renderer::ResolveAndGetRenderTarget(const TRectangle &source_rect)
{
return s_RenderTarget;
}
GLuint Renderer::GetZBufferTarget()
GLuint Renderer::ResolveAndGetFakeZTarget(const TRectangle &source_rect)
{
return nZBufferRender > 0 ? s_ZBufferTarget : 0;
// This logic should be moved elsewhere.
return s_FakeZTarget;
}
GLuint Renderer::GetFakeZTarget()
{
// This logic should be moved elsewhere.
return nZBufferRender > 0 ? s_FakeZTarget : 0;
}
void Renderer::ResetGLState()
@ -503,16 +524,17 @@ void Renderer::ResetGLState()
void Renderer::RestoreGLState()
{
// Gets us back into a more game-like state.
glEnable(GL_SCISSOR_TEST);
if (bpmem.genMode.cullmode > 0) glEnable(GL_CULL_FACE);
if (bpmem.zmode.testenable) glEnable(GL_DEPTH_TEST);
if (bpmem.zmode.updateenable) glDepthMask(GL_TRUE);
if (bpmem.zmode.testenable) glEnable(GL_DEPTH_TEST);
if (bpmem.zmode.updateenable) glDepthMask(GL_TRUE);
glEnable(GL_VERTEX_PROGRAM_ARB);
glEnable(GL_FRAGMENT_PROGRAM_ARB);
glEnable(GL_SCISSOR_TEST);
SetScissorRect();
SetColorMask();
SetBlendMode(true);
glEnable(GL_VERTEX_PROGRAM_ARB);
glEnable(GL_FRAGMENT_PROGRAM_ARB);
}
void Renderer::SetColorMask()
@ -546,7 +568,6 @@ void Renderer::SetBlendMode(bool forceUpdate)
if (bpmem.blendmode.blendenable) {
newval |= 1;
if (bpmem.blendmode.subtract) {
newval |= 0x0048; // src 1 dst 1
} else {
@ -560,7 +581,7 @@ void Renderer::SetBlendMode(bool forceUpdate)
u32 changes = forceUpdate ? 0xFFFFFFFF : newval ^ s_blendMode;
if (changes & 1) {
newval & 1 ? glEnable(GL_BLEND) : glDisable(GL_BLEND);
(newval & 1) ? glEnable(GL_BLEND) : glDisable(GL_BLEND);
}
bool dstAlphaEnable = g_bBlendSeparate && newval & 2;
@ -635,8 +656,8 @@ bool Renderer::SetScissorRect()
glScissor(
(int)rc_left, // x = 0 for example
Renderer::GetTargetHeight() - (int)(rc_bottom), // y = 0 for example
(int)(rc_right-rc_left), // width = 640 for example
(int)(rc_bottom-rc_top) // height = 480 for example
(int)(rc_right - rc_left), // width = 640 for example
(int)(rc_bottom - rc_top) // height = 480 for example
);
return true;
}
@ -656,16 +677,18 @@ bool Renderer::HaveStencilBuffer()
void Renderer::SetZBufferRender()
{
nZBufferRender = 10; // give it 10 frames
nZBufferRender = 10; // The game asked for Z. Give it 10 frames, then turn it off for speed.
GLenum s_drawbuffers[2] = {
GL_COLOR_ATTACHMENT0_EXT,
GL_COLOR_ATTACHMENT1_EXT
};
glDrawBuffers(2, s_drawbuffers);
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_RECTANGLE_ARB, s_ZBufferTarget, 0);
glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT1_EXT, GL_TEXTURE_RECTANGLE_ARB, s_FakeZTarget, 0);
_assert_(glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) == GL_FRAMEBUFFER_COMPLETE_EXT);
}
// Does this function even work correctly???
void Renderer::FlushZBufferAlphaToTarget()
{
ResetGLState();
@ -673,12 +696,11 @@ void Renderer::FlushZBufferAlphaToTarget()
SetRenderTarget(0);
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
glViewport(0, 0, GetTargetWidth(), GetTargetHeight());
// texture map s_RenderTargets[s_curtarget] onto the main buffer
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, s_ZBufferTarget);
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, s_FakeZTarget);
TextureMngr::EnableTexRECT(0);
// disable all other stages
for (int i = 1; i < 8; ++i)
@ -691,7 +713,6 @@ void Renderer::FlushZBufferAlphaToTarget()
// TODO: This code should not have to bother with stretchtofit checking -
// all necessary scale initialization should be done elsewhere.
// TODO: Investigate BlitFramebufferEXT.
if (g_Config.bNativeResolution)
{
//TODO: Do Correctly in a bit
@ -748,7 +769,6 @@ void Renderer::SetRenderMode(RenderMode mode)
else if (s_RenderMode == RM_Normal) {
// setup buffers
_assert_(GetZBufferTarget() && bpmem.zmode.updateenable);
if (mode == RM_ZBufferAlpha) {
glEnable(GL_STENCIL_TEST);
glClearStencil(0);
@ -771,7 +791,7 @@ void Renderer::SetRenderMode(RenderMode mode)
FlushZBufferAlphaToTarget();
glDisable(GL_STENCIL_TEST);
SetRenderTarget(s_ZBufferTarget);
SetRenderTarget(s_FakeZTarget);
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
GL_REPORT_ERRORD();
}
@ -797,11 +817,6 @@ Renderer::RenderMode Renderer::GetRenderMode()
void ComputeBackbufferRectangle(TRectangle *rc)
{
// -----------------------------------------------------------------------
// GLViewPort variables
// ------------------
// Work with float values for the XFB supplement and aspect ratio functions. These are default
// values that are used if the XFB supplement and the keep aspect ratio function are unused.
float FloatGLWidth = (float)OpenGL_GetBackbufferWidth();
float FloatGLHeight = (float)OpenGL_GetBackbufferHeight();
float FloatXOffset = 0;
@ -833,7 +848,7 @@ void ComputeBackbufferRectangle(TRectangle *rc)
}
// -----------------------------------------------------------------------
/* Crop the picture from 4:3 to 5:4 or from 16:9 to 16:10. */
// Crop the picture from 4:3 to 5:4 or from 16:9 to 16:10.
// Output: FloatGLWidth, FloatGLHeight, FloatXOffset, FloatYOffset
// ------------------
if ((g_Config.bKeepAR43 || g_Config.bKeepAR169) && g_Config.bCrop)
@ -858,7 +873,7 @@ void ComputeBackbufferRectangle(TRectangle *rc)
//Console::Print("Crop Ratio:%1.2f IncreasedHeight:%3.0f YOffset:%3.0f\n", Ratio, IncreasedHeight, FloatYOffset);
}
// Because there is no round() function we use round(float) = floor(float + 0.5) instead
// round(float) = floor(float + 0.5)
int XOffset = floor(FloatXOffset + 0.5);
int YOffset = floor(FloatYOffset + 0.5);
rc->left = XOffset;
@ -885,12 +900,8 @@ void Renderer::Swap(const TRectangle& rc)
// glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, s_uFramebuffer);
// render to the real buffer now
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); // switch to the backbuffer
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); // switch to the window backbuffer
// -----------------------------------------------------------------------
// Show the finished picture
// --------------------
// Reset GL state
ResetGLState();
// Texture map s_RenderTargets[s_curtarget] onto the main buffer
@ -901,7 +912,7 @@ void Renderer::Swap(const TRectangle& rc)
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
TextureMngr::EnableTexRECT(0);
// Disable all other stages
// Disable all other stages.
for (int i = 1; i < 8; ++i)
TextureMngr::DisableStage(i);
@ -973,7 +984,7 @@ void Renderer::Swap(const TRectangle& rc)
// For testing zbuffer targets.
// Renderer::SetZBufferRender();
// SaveTexture("tex.tga", GL_TEXTURE_RECTANGLE_ARB, s_ZBufferTarget, GetTargetWidth(), GetTargetHeight());
// SaveTexture("tex.tga", GL_TEXTURE_RECTANGLE_ARB, s_FakeZTarget, GetTargetWidth(), GetTargetHeight());
}
////////////////////////////////////////////////