200 lines
6.1 KiB
C++
200 lines
6.1 KiB
C++
// Copyright (C) 2003-2009 Dolphin 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.
|
|
|
|
// 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 SVN repository and contact information can be found at
|
|
// http://code.google.com/p/dolphin-emu/
|
|
|
|
#include "Common.h"
|
|
|
|
#include "GLUtil.h"
|
|
#include "Renderer.h"
|
|
#include "main.h"
|
|
#include "Statistics.h"
|
|
#include "RasterFont.h"
|
|
|
|
#define VSYNC_ENABLED 0
|
|
|
|
static GLuint s_RenderTarget = 0;
|
|
|
|
RasterFont* s_pfont = NULL;
|
|
|
|
void Renderer::Init(SVideoInitialize *_pVideoInitialize)
|
|
{
|
|
if (!OpenGL_Create(g_VideoInitialize, 640, 480)) // 640x480 will be the default if all else fails
|
|
{
|
|
g_VideoInitialize.pLog("Renderer::Create failed\n", TRUE);
|
|
return;
|
|
}
|
|
|
|
_pVideoInitialize->pPeekMessages = g_VideoInitialize.pPeekMessages;
|
|
_pVideoInitialize->pUpdateFPSDisplay = g_VideoInitialize.pUpdateFPSDisplay;
|
|
_pVideoInitialize->pWindowHandle = g_VideoInitialize.pWindowHandle;
|
|
}
|
|
|
|
void Renderer::Shutdown()
|
|
{
|
|
glDeleteTextures(1, &s_RenderTarget);
|
|
|
|
delete s_pfont;
|
|
s_pfont = 0;
|
|
}
|
|
|
|
void Renderer::Prepare()
|
|
{
|
|
OpenGL_MakeCurrent();
|
|
|
|
// Init extension support.
|
|
if (glewInit() != GLEW_OK) {
|
|
ERROR_LOG(VIDEO, "glewInit() failed!Does your video card support OpenGL 2.x?");
|
|
return;
|
|
}
|
|
|
|
// Handle VSync on/off
|
|
#ifdef _WIN32
|
|
if (WGLEW_EXT_swap_control)
|
|
wglSwapIntervalEXT(VSYNC_ENABLED);
|
|
else
|
|
ERROR_LOG(VIDEO, "no support for SwapInterval (framerate clamped to monitor refresh rate)Does your video card support OpenGL 2.x?");
|
|
#elif defined(HAVE_X11) && HAVE_X11
|
|
if (glXSwapIntervalSGI)
|
|
glXSwapIntervalSGI(VSYNC_ENABLED);
|
|
else
|
|
ERROR_LOG(VIDEO, "no support for SwapInterval (framerate clamped to monitor refresh rate)");
|
|
#endif
|
|
|
|
glStencilFunc(GL_ALWAYS, 0, 0);
|
|
// used by hw rasterizer if it enables blending and depth test
|
|
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
glDepthFunc(GL_LEQUAL);
|
|
|
|
glShadeModel(GL_SMOOTH);
|
|
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
|
|
glClearDepth(1.0f);
|
|
glEnable(GL_SCISSOR_TEST);
|
|
|
|
glPixelStorei(GL_UNPACK_ALIGNMENT, 4); // 4-byte pixel alignment
|
|
|
|
glDisable(GL_LIGHTING);
|
|
glDisable(GL_BLEND);
|
|
glDisable(GL_STENCIL_TEST);
|
|
//glDisable(GL_SCISSOR_TEST);
|
|
|
|
glMatrixMode(GL_PROJECTION);
|
|
glLoadIdentity();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glLoadIdentity();
|
|
|
|
s_pfont = new RasterFont();
|
|
|
|
// legacy multitexturing: select texture channel only.
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glClientActiveTexture(GL_TEXTURE0);
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
|
|
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
|
|
|
glGenTextures(1, &s_RenderTarget);
|
|
glEnable(GL_TEXTURE_RECTANGLE_ARB);
|
|
}
|
|
|
|
void Renderer::RenderText(const char* pstr, int left, int top, u32 color)
|
|
{
|
|
int nBackbufferWidth = (int)OpenGL_GetBackbufferWidth();
|
|
int nBackbufferHeight = (int)OpenGL_GetBackbufferHeight();
|
|
glColor4f(((color>>16) & 0xff)/255.0f, ((color>> 8) & 0xff)/255.0f,
|
|
((color>> 0) & 0xff)/255.0f, ((color>>24) & 0xFF)/255.0f);
|
|
s_pfont->printMultilineText(pstr,
|
|
left * 2.0f / (float)nBackbufferWidth - 1,
|
|
1 - top * 2.0f / (float)nBackbufferHeight,
|
|
0, nBackbufferWidth, nBackbufferHeight);
|
|
}
|
|
|
|
void Renderer::DrawDebugText()
|
|
{
|
|
char debugtext_buffer[8192];
|
|
char *p = debugtext_buffer;
|
|
p[0] = 0;
|
|
|
|
if (g_SWVideoConfig.bShowStats)
|
|
{
|
|
p+=sprintf(p,"Objects: %i\n",stats.thisFrame.numDrawnObjects);
|
|
p+=sprintf(p,"Primatives: %i\n",stats.thisFrame.numPrimatives);
|
|
p+=sprintf(p,"Vertices Loaded: %i\n",stats.thisFrame.numVerticesLoaded);
|
|
|
|
p+=sprintf(p,"Triangles Input: %i\n",stats.thisFrame.numTrianglesIn);
|
|
p+=sprintf(p,"Triangles Rejected: %i\n",stats.thisFrame.numTrianglesRejected);
|
|
p+=sprintf(p,"Triangles Culled: %i\n",stats.thisFrame.numTrianglesCulled);
|
|
p+=sprintf(p,"Triangles Clipped: %i\n",stats.thisFrame.numTrianglesClipped);
|
|
p+=sprintf(p,"Triangles Drawn: %i\n",stats.thisFrame.numTrianglesDrawn);
|
|
|
|
p+=sprintf(p,"Rasterized Pix: %i\n",stats.thisFrame.rasterizedPixels);
|
|
p+=sprintf(p,"TEV Pix In: %i\n",stats.thisFrame.tevPixelsIn);
|
|
p+=sprintf(p,"TEV Pix Out: %i\n",stats.thisFrame.tevPixelsOut);
|
|
}
|
|
|
|
// Render a shadow, and then the text.
|
|
Renderer::RenderText(debugtext_buffer, 21, 21, 0xDD000000);
|
|
Renderer::RenderText(debugtext_buffer, 20, 20, 0xFFFFFF00);
|
|
}
|
|
|
|
void Renderer::DrawTexture(u8 *texture, int width, int height)
|
|
{
|
|
GLsizei glWidth = (GLsizei)OpenGL_GetBackbufferWidth();
|
|
GLsizei glHeight = (GLsizei)OpenGL_GetBackbufferHeight();
|
|
|
|
// Update GLViewPort
|
|
glViewport(0, 0, glWidth, glHeight);
|
|
glScissor(0, 0, glWidth, glHeight);
|
|
|
|
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, s_RenderTarget);
|
|
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, (GLsizei)width, (GLsizei)height, 0, GL_RGBA, GL_UNSIGNED_BYTE, texture);
|
|
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
|
|
GL_REPORT_ERRORD();
|
|
|
|
GLfloat u_max = (GLfloat)width;
|
|
GLfloat v_max = (GLfloat)glHeight;
|
|
|
|
glBegin(GL_QUADS);
|
|
glTexCoord2f(0, v_max); glVertex2f(-1, -1);
|
|
glTexCoord2f(0, 0); glVertex2f(-1, 1);
|
|
glTexCoord2f(u_max, 0); glVertex2f( 1, 1);
|
|
glTexCoord2f(u_max, v_max); glVertex2f( 1, -1);
|
|
glEnd();
|
|
|
|
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, 0);
|
|
}
|
|
|
|
void Renderer::SwapBuffer()
|
|
{
|
|
DrawDebugText();
|
|
|
|
glFlush();
|
|
|
|
OpenGL_SwapBuffers();
|
|
|
|
GL_REPORT_ERRORD();
|
|
|
|
stats.ResetFrame();
|
|
|
|
// Clear framebuffer
|
|
glClearColor(0, 0, 0, 0);
|
|
glClearDepth(1.0);
|
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
|
|
|
GL_REPORT_ERRORD();
|
|
}
|
|
|
|
|