diff options
| author | Jasper St. Pierre <jstpierre@mecheye.net> | 2013-12-07 15:14:29 -0500 |
|---|---|---|
| committer | Jasper St. Pierre <jstpierre@mecheye.net> | 2013-12-31 14:03:19 -0500 |
| commit | 34692ab826abc8f8faa61bdb2280b742424528f1 (patch) | |
| tree | b0eedc645badbea316ff59c125eaf808b28777ec /Source/Core/VideoBackends/Software/SWRenderer.cpp | |
| parent | 43e618682e8093602fc83dfa902ee7ae3fd3a4f6 (diff) | |
Remove unnecessary Src/ folders
Diffstat (limited to 'Source/Core/VideoBackends/Software/SWRenderer.cpp')
| -rw-r--r-- | Source/Core/VideoBackends/Software/SWRenderer.cpp | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/Source/Core/VideoBackends/Software/SWRenderer.cpp b/Source/Core/VideoBackends/Software/SWRenderer.cpp new file mode 100644 index 0000000000..e06df942b6 --- /dev/null +++ b/Source/Core/VideoBackends/Software/SWRenderer.cpp @@ -0,0 +1,207 @@ +// Copyright 2013 Dolphin Emulator Project +// Licensed under GPLv2 +// Refer to the license.txt file included. + +#include "Common.h" + +#include "../OGL/GLUtil.h" +#include "ImageWrite.h" +#include "RasterFont.h" +#include "SWRenderer.h" +#include "SWStatistics.h" + +#include "OnScreenDisplay.h" + +static GLuint s_RenderTarget = 0; + +static GLint attr_pos = -1, attr_tex = -1; +static GLint uni_tex = -1; +static GLuint program; + +static volatile bool s_bScreenshot; +static std::mutex s_criticalScreenshot; +static std::string s_sScreenshotName; + + +// Rasterfont isn't compatible with GLES +// degasus: I think it does, but I can't test it +#ifndef USE_GLES +RasterFont* s_pfont = NULL; +#endif + +void SWRenderer::Init() +{ + s_bScreenshot = false; +} + +void SWRenderer::Shutdown() +{ + glDeleteProgram(program); + glDeleteTextures(1, &s_RenderTarget); +#ifndef USE_GLES + delete s_pfont; + s_pfont = 0; +#endif +} + +void CreateShaders() +{ + static const char *fragShaderText = + "varying " PREC " vec2 TexCoordOut;\n" + "uniform sampler2D Texture;\n" + "void main() {\n" + " " PREC " vec4 tmpcolor;\n" + " tmpcolor = texture2D(Texture, TexCoordOut);\n" + " gl_FragColor = tmpcolor;\n" + "}\n"; + static const char *vertShaderText = + "attribute vec4 pos;\n" + "attribute vec2 TexCoordIn;\n " + "varying vec2 TexCoordOut;\n " + "void main() {\n" + " gl_Position = pos;\n" + " TexCoordOut = TexCoordIn;\n" + "}\n"; + + program = OpenGL_CompileProgram(vertShaderText, fragShaderText); + + glUseProgram(program); + + uni_tex = glGetUniformLocation(program, "Texture"); + attr_pos = glGetAttribLocation(program, "pos"); + attr_tex = glGetAttribLocation(program, "TexCoordIn"); +} + +void SWRenderer::Prepare() +{ + glClearColor(0.0f, 0.0f, 0.0f, 0.0f); + glPixelStorei(GL_UNPACK_ALIGNMENT, 4); // 4-byte pixel alignment + glGenTextures(1, &s_RenderTarget); + + CreateShaders(); + // TODO: Enable for GLES once RasterFont supports GLES +#ifndef USE_GLES + s_pfont = new RasterFont(); + glEnable(GL_TEXTURE_2D); +#endif + GL_REPORT_ERRORD(); +} + +void SWRenderer::SetScreenshot(const char *_szFilename) +{ + std::lock_guard<std::mutex> lk(s_criticalScreenshot); + s_sScreenshotName = _szFilename; + s_bScreenshot = true; +} + +void SWRenderer::RenderText(const char* pstr, int left, int top, u32 color) +{ +#ifndef USE_GLES + int nBackbufferWidth = (int)GLInterface->GetBackBufferWidth(); + int nBackbufferHeight = (int)GLInterface->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); +#endif +} + +void SWRenderer::DrawDebugText() +{ + char debugtext_buffer[8192]; + char *p = debugtext_buffer; + p[0] = 0; + + if (g_SWVideoConfig.bShowStats) + { + p+=sprintf(p,"Objects: %i\n",swstats.thisFrame.numDrawnObjects); + p+=sprintf(p,"Primitives: %i\n",swstats.thisFrame.numPrimatives); + p+=sprintf(p,"Vertices Loaded: %i\n",swstats.thisFrame.numVerticesLoaded); + + p+=sprintf(p,"Triangles Input: %i\n",swstats.thisFrame.numTrianglesIn); + p+=sprintf(p,"Triangles Rejected: %i\n",swstats.thisFrame.numTrianglesRejected); + p+=sprintf(p,"Triangles Culled: %i\n",swstats.thisFrame.numTrianglesCulled); + p+=sprintf(p,"Triangles Clipped: %i\n",swstats.thisFrame.numTrianglesClipped); + p+=sprintf(p,"Triangles Drawn: %i\n",swstats.thisFrame.numTrianglesDrawn); + + p+=sprintf(p,"Rasterized Pix: %i\n",swstats.thisFrame.rasterizedPixels); + p+=sprintf(p,"TEV Pix In: %i\n",swstats.thisFrame.tevPixelsIn); + p+=sprintf(p,"TEV Pix Out: %i\n",swstats.thisFrame.tevPixelsOut); + } + + // Render a shadow, and then the text. + SWRenderer::RenderText(debugtext_buffer, 21, 21, 0xDD000000); + SWRenderer::RenderText(debugtext_buffer, 20, 20, 0xFFFFFF00); +} + +void SWRenderer::DrawTexture(u8 *texture, int width, int height) +{ + // Save screenshot + if (s_bScreenshot) + { + std::lock_guard<std::mutex> lk(s_criticalScreenshot); + TextureToPng(texture, width*4, s_sScreenshotName, width, height, false); + // Reset settings + s_sScreenshotName.clear(); + s_bScreenshot = false; + } + GLsizei glWidth = (GLsizei)GLInterface->GetBackBufferWidth(); + GLsizei glHeight = (GLsizei)GLInterface->GetBackBufferHeight(); + + // Update GLViewPort + glViewport(0, 0, glWidth, glHeight); + glScissor(0, 0, glWidth, glHeight); + + glBindTexture(GL_TEXTURE_2D, s_RenderTarget); + + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLsizei)width, (GLsizei)height, 0, GL_RGBA, GL_UNSIGNED_BYTE, texture); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + + glUseProgram(program); + static const GLfloat verts[4][2] = { + { -1, -1}, // Left top + { -1, 1}, // left bottom + { 1, 1}, // right bottom + { 1, -1} // right top + }; + static const GLfloat texverts[4][2] = { + {0, 1}, + {0, 0}, + {1, 0}, + {1, 1} + }; + + glVertexAttribPointer(attr_pos, 2, GL_FLOAT, GL_FALSE, 0, verts); + glVertexAttribPointer(attr_tex, 2, GL_FLOAT, GL_FALSE, 0, texverts); + glEnableVertexAttribArray(attr_pos); + glEnableVertexAttribArray(attr_tex); + glUniform1i(uni_tex, 0); + glActiveTexture(GL_TEXTURE0); + glDrawArrays(GL_TRIANGLE_FAN, 0, 4); + glDisableVertexAttribArray(attr_pos); + glDisableVertexAttribArray(attr_tex); + + glBindTexture(GL_TEXTURE_2D, 0); + GL_REPORT_ERRORD(); +} + +void SWRenderer::SwapBuffer() +{ + // Do our OSD callbacks + OSD::DoCallbacks(OSD::OSD_ONFRAME); + + DrawDebugText(); + + glFlush(); + + GLInterface->Swap(); + + swstats.ResetFrame(); + + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + + GL_REPORT_ERRORD(); +} |
