/* * Mesa 3-D graphics library * * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. * Copyright (C) 2009 VMware, Inc. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ #include #include "mtypes.h" #include "attrib.h" #include "enums.h" #include "formats.h" #include "hash.h" #include "imports.h" #include "macros.h" #include "debug.h" #include "get.h" #include "pixelstore.h" #include "readpix.h" #include "texobj.h" static const char * tex_target_name(GLenum tgt) { static const struct { GLenum target; const char *name; } tex_targets[] = { { GL_TEXTURE_1D, "GL_TEXTURE_1D" }, { GL_TEXTURE_2D, "GL_TEXTURE_2D" }, { GL_TEXTURE_3D, "GL_TEXTURE_3D" }, { GL_TEXTURE_CUBE_MAP, "GL_TEXTURE_CUBE_MAP" }, { GL_TEXTURE_RECTANGLE, "GL_TEXTURE_RECTANGLE" }, { GL_TEXTURE_1D_ARRAY_EXT, "GL_TEXTURE_1D_ARRAY" }, { GL_TEXTURE_2D_ARRAY_EXT, "GL_TEXTURE_2D_ARRAY" }, { GL_TEXTURE_CUBE_MAP_ARRAY, "GL_TEXTURE_CUBE_MAP_ARRAY" }, { GL_TEXTURE_BUFFER, "GL_TEXTURE_BUFFER" }, { GL_TEXTURE_2D_MULTISAMPLE, "GL_TEXTURE_2D_MULTISAMPLE" }, { GL_TEXTURE_2D_MULTISAMPLE_ARRAY, "GL_TEXTURE_2D_MULTISAMPLE_ARRAY" }, { GL_TEXTURE_EXTERNAL_OES, "GL_TEXTURE_EXTERNAL_OES" } }; GLuint i; STATIC_ASSERT(ARRAY_SIZE(tex_targets) == NUM_TEXTURE_TARGETS); for (i = 0; i < ARRAY_SIZE(tex_targets); i++) { if (tex_targets[i].target == tgt) return tex_targets[i].name; } return "UNKNOWN TEX TARGET"; } void _mesa_print_state( const char *msg, GLuint state ) { _mesa_debug(NULL, "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", msg, state, (state & _NEW_MODELVIEW) ? "ctx->ModelView, " : "", (state & _NEW_PROJECTION) ? "ctx->Projection, " : "", (state & _NEW_TEXTURE_MATRIX) ? "ctx->TextureMatrix, " : "", (state & _NEW_COLOR) ? "ctx->Color, " : "", (state & _NEW_DEPTH) ? "ctx->Depth, " : "", (state & _NEW_EVAL) ? "ctx->Eval/EvalMap, " : "", (state & _NEW_FOG) ? "ctx->Fog, " : "", (state & _NEW_HINT) ? "ctx->Hint, " : "", (state & _NEW_LIGHT) ? "ctx->Light, " : "", (state & _NEW_LINE) ? "ctx->Line, " : "", (state & _NEW_PIXEL) ? "ctx->Pixel, " : "", (state & _NEW_POINT) ? "ctx->Point, " : "", (state & _NEW_POLYGON) ? "ctx->Polygon, " : "", (state & _NEW_POLYGONSTIPPLE) ? "ctx->PolygonStipple, " : "", (state & _NEW_SCISSOR) ? "ctx->Scissor, " : "", (state & _NEW_STENCIL) ? "ctx->Stencil, " : "", (state & _NEW_TEXTURE_OBJECT) ? "ctx->Texture(Object), " : "", (state & _NEW_TRANSFORM) ? "ctx->Transform, " : "", (state & _NEW_VIEWPORT) ? "ctx->Viewport, " : "", (state & _NEW_TEXTURE_STATE) ? "ctx->Texture(State), " : "", (state & _NEW_ARRAY) ? "ctx->Array, " : "", (state & _NEW_RENDERMODE) ? "ctx->RenderMode, " : "", (state & _NEW_BUFFERS) ? "ctx->Visual, ctx->DrawBuffer,, " : ""); } /** * Print information about this Mesa version and build options. */ void _mesa_print_info( struct gl_context *ctx ) { _mesa_debug(NULL, "Mesa GL_VERSION = %s\n", (char *) _mesa_GetString(GL_VERSION)); _mesa_debug(NULL, "Mesa GL_RENDERER = %s\n", (char *) _mesa_GetString(GL_RENDERER)); _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n", (char *) _mesa_GetString(GL_VENDOR)); /* use ctx as GL_EXTENSIONS will not work on 3.0 or higher * core contexts. */ _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n", ctx->Extensions.String); #if defined(USE_X86_ASM) _mesa_debug(NULL, "Mesa x86-optimized: YES\n"); #else _mesa_debug(NULL, "Mesa x86-optimized: NO\n"); #endif #if defined(USE_SPARC_ASM) _mesa_debug(NULL, "Mesa sparc-optimized: YES\n"); #else _mesa_debug(NULL, "Mesa sparc-optimized: NO\n"); #endif } /** * Set verbose logging flags. When these flags are set, GL API calls * in the various categories will be printed to stderr. * \param str a comma-separated list of keywords */ static void set_verbose_flags(const char *str) { #ifdef DEBUG struct option { const char *name; GLbitfield flag; }; static const struct option opts[] = { { "varray", VERBOSE_VARRAY }, { "tex", VERBOSE_TEXTURE }, { "mat", VERBOSE_MATERIAL }, { "pipe", VERBOSE_PIPELINE }, { "driver", VERBOSE_DRIVER }, { "state", VERBOSE_STATE }, { "api", VERBOSE_API }, { "list", VERBOSE_DISPLAY_LIST }, { "lighting", VERBOSE_LIGHTING }, { "disassem", VERBOSE_DISASSEM }, { "draw", VERBOSE_DRAW }, { "swap", VERBOSE_SWAPBUFFERS } }; GLuint i; if (!str) return; MESA_VERBOSE = 0x0; for (i = 0; i < ARRAY_SIZE(opts); i++) { if (strstr(str, opts[i].name) || strcmp(str, "all") == 0) MESA_VERBOSE |= opts[i].flag; } #endif } /** * Set debugging flags. When these flags are set, Mesa will do additional * debug checks or actions. * \param str a comma-separated list of keywords */ static void set_debug_flags(const char *str) { #ifdef DEBUG struct option { const char *name; GLbitfield flag; }; static const struct option opts[] = { { "silent", DEBUG_SILENT }, /* turn off debug messages */ { "flush", DEBUG_ALWAYS_FLUSH }, /* flush after each drawing command */ { "incomplete_tex", DEBUG_INCOMPLETE_TEXTURE }, { "incomplete_fbo", DEBUG_INCOMPLETE_FBO }, { "context", DEBUG_CONTEXT } /* force set GL_CONTEXT_FLAG_DEBUG_BIT flag */ }; GLuint i; if (!str) return; MESA_DEBUG_FLAGS = 0x0; for (i = 0; i < ARRAY_SIZE(opts); i++) { if (strstr(str, opts[i].name)) MESA_DEBUG_FLAGS |= opts[i].flag; } #endif } /** * Initialize debugging variables from env vars. */ void _mesa_init_debug( struct gl_context *ctx ) { set_debug_flags(getenv("MESA_DEBUG")); set_verbose_flags(getenv("MESA_VERBOSE")); } /* * Write ppm file */ static void write_ppm(const char *filename, const GLubyte *buffer, int width, int height, int comps, int rcomp, int gcomp, int bcomp, GLboolean invert) { FILE *f = fopen( filename, "w" ); if (f) { int x, y; const GLubyte *ptr = buffer; fprintf(f,"P6\n"); fprintf(f,"# ppm-file created by osdemo.c\n"); fprintf(f,"%i %i\n", width,height); fprintf(f,"255\n"); fclose(f); f = fopen( filename, "ab" ); /* reopen in binary append mode */ if (!f) { fprintf(stderr, "Error while reopening %s in write_ppm()\n", filename); return; } for (y=0; y < height; y++) { for (x = 0; x < width; x++) { int yy = invert ? (height - 1 - y) : y; int i = (yy * width + x) * comps; fputc(ptr[i+rcomp], f); /* write red */ fputc(ptr[i+gcomp], f); /* write green */ fputc(ptr[i+bcomp], f); /* write blue */ } } fclose(f); } else { fprintf(stderr, "Unable to create %s in write_ppm()\n", filename); } } /** * Write a texture image to a ppm file. * \param face cube face in [0,5] * \param level mipmap level */ static void write_texture_image(struct gl_texture_object *texObj, GLuint face, GLuint level) { struct gl_texture_image *img = texObj->Image[face][level]; if (img) { GET_CURRENT_CONTEXT(ctx); struct gl_pixelstore_attrib store; GLubyte *buffer; char s[100]; buffer = malloc(img->Width * img->Height * img->Depth * 4); store = ctx->Pack; /* save */ ctx->Pack = ctx->DefaultPacking; ctx->Driver.GetTexSubImage(ctx, 0, 0, 0, img->Width, img->Height, img->Depth, GL_RGBA, GL_UNSIGNED_BYTE, buffer, img); /* make filename */ _mesa_snprintf(s, sizeof(s), "/tmp/tex%u.l%u.f%u.ppm", texObj->Name, level, face); printf(" Writing image level %u to %s\n", level, s); write_ppm(s, buffer, img->Width, img->Height, 4, 0, 1, 2, GL_FALSE); ctx->Pack = store; /* restore */ free(buffer); } } /** * Write renderbuffer image to a ppm file. */ void _mesa_write_renderbuffer_image(const struct gl_renderbuffer *rb) { GET_CURRENT_CONTEXT(ctx); GLubyte *buffer; char s[100]; GLenum format, type; if (rb->_BaseFormat == GL_RGB || rb->_BaseFormat == GL_RGBA) { format = GL_RGBA; type = GL_UNSIGNED_BYTE; } else if (rb->_BaseFormat == GL_DEPTH_STENCIL) { format = GL_DEPTH_STENCIL; type = GL_UNSIGNED_INT_24_8; } else { _mesa_debug(NULL, "Unsupported BaseFormat 0x%x in " "_mesa_write_renderbuffer_image()\n", rb->_BaseFormat); return; } buffer = malloc(rb->Width * rb->Height * 4); ctx->Driver.ReadPixels(ctx, 0, 0, rb->Width, rb->Height, format, type, &ctx->DefaultPacking, buffer); /* make filename */ _mesa_snprintf(s, sizeof(s), "/tmp/renderbuffer%u.ppm", rb->Name); _mesa_snprintf(s, sizeof(s), "C:\\renderbuffer%u.ppm", rb->Name); printf(" Writing renderbuffer image to %s\n", s); _mesa_debug(NULL, " Writing renderbuffer image to %s\n", s); write_ppm(s, buffer, rb->Width, rb->Height, 4, 0, 1, 2, GL_TRUE); free(buffer); } /** How many texture images (mipmap levels, faces) to write to files */ #define WRITE_NONE 0 #define WRITE_ONE 1 #define WRITE_ALL 2 static GLuint WriteImages; static void dump_texture(struct gl_texture_object *texObj, GLuint writeImages) { const GLuint numFaces = texObj->Target == GL_TEXTURE_CUBE_MAP ? 6 : 1; GLboolean written = GL_FALSE; GLuint i, j; printf("Texture %u\n", texObj->Name); printf(" Target %s\n", tex_target_name(texObj->Target)); for (i = 0; i < MAX_TEXTURE_LEVELS; i++) { for (j = 0; j < numFaces; j++) { struct gl_texture_image *texImg = texObj->Image[j][i]; if (texImg) { printf(" Face %u level %u: %d x %d x %d, format %s\n", j, i, texImg->Width, texImg->Height, texImg->Depth, _mesa_get_format_name(texImg->TexFormat)); if (writeImages == WRITE_ALL || (writeImages == WRITE_ONE && !written)) { write_texture_image(texObj, j, i); written = GL_TRUE; } } } } } /** * Dump a single texture. */ void _mesa_dump_texture(GLuint texture, GLuint writeImages) { GET_CURRENT_CONTEXT(ctx); struct gl_texture_object *texObj = _mesa_lookup_texture(ctx, texture); if (texObj) { dump_texture(texObj, writeImages); } } static void dump_texture_cb(GLuint id, void *data, void *userData) { struct gl_texture_object *texObj = (struct gl_texture_object *) data; (void) userData; dump_texture(texObj, WriteImages); } /** * Print basic info about all texture objext to stdout. * If dumpImages is true, write PPM of level[0] image to a file. */ void _mesa_dump_textures(GLuint writeImages) { GET_CURRENT_CONTEXT(ctx); WriteImages = writeImages; _mesa_HashWalk(ctx->Shared->TexObjects, dump_texture_cb, ctx); } static void dump_renderbuffer(const struct gl_renderbuffer *rb, GLboolean writeImage) { printf("Renderbuffer %u: %u x %u IntFormat = %s\n", rb->Name, rb->Width, rb->Height, _mesa_enum_to_string(rb->InternalFormat)); if (writeImage) { _mesa_write_renderbuffer_image(rb); } } static void dump_renderbuffer_cb(GLuint id, void *data, void *userData) { const struct gl_renderbuffer *rb = (const struct gl_renderbuffer *) data; (void) userData; dump_renderbuffer(rb, WriteImages); } /** * Print basic info about all renderbuffers to stdout. * If dumpImages is true, write PPM of level[0] image to a file. */ void _mesa_dump_renderbuffers(GLboolean writeImages) { GET_CURRENT_CONTEXT(ctx); WriteImages = writeImages; _mesa_HashWalk(ctx->Shared->RenderBuffers, dump_renderbuffer_cb, ctx); } void _mesa_dump_color_buffer(const char *filename) { GET_CURRENT_CONTEXT(ctx); const GLuint w = ctx->DrawBuffer->Width; const GLuint h = ctx->DrawBuffer->Height; GLubyte *buf; buf = malloc(w * h * 4); _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT); _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1); _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE); _mesa_ReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, buf); printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n", (void *) ctx->ReadBuffer->_ColorReadBuffer, ctx->ReadBuffer->ColorReadBuffer, (void *) ctx->DrawBuffer->_ColorDrawBuffers[0], ctx->DrawBuffer->ColorDrawBuffer[0]); printf("Writing %d x %d color buffer to %s\n", w, h, filename); write_ppm(filename, buf, w, h, 4, 0, 1, 2, GL_TRUE); _mesa_PopClientAttrib(); free(buf); } void _mesa_dump_depth_buffer(const char *filename) { GET_CURRENT_CONTEXT(ctx); const GLuint w = ctx->DrawBuffer->Width; const GLuint h = ctx->DrawBuffer->Height; GLuint *buf; GLubyte *buf2; GLuint i; buf = malloc(w * h * 4); /* 4 bpp */ buf2 = malloc(w * h * 3); /* 3 bpp */ _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT); _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1); _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE); _mesa_ReadPixels(0, 0, w, h, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buf); /* spread 24 bits of Z across R, G, B */ for (i = 0; i < w * h; i++) { buf2[i*3+0] = (buf[i] >> 24) & 0xff; buf2[i*3+1] = (buf[i] >> 16) & 0xff; buf2[i*3+2] = (buf[i] >> 8) & 0xff; } printf("Writing %d x %d depth buffer to %s\n", w, h, filename); write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE); _mesa_PopClientAttrib(); free(buf); free(buf2); } void _mesa_dump_stencil_buffer(const char *filename) { GET_CURRENT_CONTEXT(ctx); const GLuint w = ctx->DrawBuffer->Width; const GLuint h = ctx->DrawBuffer->Height; GLubyte *buf; GLubyte *buf2; GLuint i; buf = malloc(w * h); /* 1 bpp */ buf2 = malloc(w * h * 3); /* 3 bpp */ _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT); _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1); _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE); _mesa_ReadPixels(0, 0, w, h, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, buf); for (i = 0; i < w * h; i++) { buf2[i*3+0] = buf[i]; buf2[i*3+1] = (buf[i] & 127) * 2; buf2[i*3+2] = (buf[i] - 128) * 2; } printf("Writing %d x %d stencil buffer to %s\n", w, h, filename); write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE); _mesa_PopClientAttrib(); free(buf); free(buf2); } void _mesa_dump_image(const char *filename, const void *image, GLuint w, GLuint h, GLenum format, GLenum type) { GLboolean invert = GL_TRUE; if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) { write_ppm(filename, image, w, h, 4, 0, 1, 2, invert); } else if (format == GL_BGRA && type == GL_UNSIGNED_BYTE) { write_ppm(filename, image, w, h, 4, 2, 1, 0, invert); } else if (format == GL_LUMINANCE_ALPHA && type == GL_UNSIGNED_BYTE) { write_ppm(filename, image, w, h, 2, 1, 0, 0, invert); } else if (format == GL_RED && type == GL_UNSIGNED_BYTE) { write_ppm(filename, image, w, h, 1, 0, 0, 0, invert); } else if (format == GL_RGBA && type == GL_FLOAT) { /* convert floats to ubyte */ GLubyte *buf = malloc(w * h * 4 * sizeof(GLubyte)); const GLfloat *f = (const GLfloat *) image; GLuint i; for (i = 0; i < w * h * 4; i++) { UNCLAMPED_FLOAT_TO_UBYTE(buf[i], f[i]); } write_ppm(filename, buf, w, h, 4, 0, 1, 2, invert); free(buf); } else if (format == GL_RED && type == GL_FLOAT) { /* convert floats to ubyte */ GLubyte *buf = malloc(w * h * sizeof(GLubyte)); const GLfloat *f = (const GLfloat *) image; GLuint i; for (i = 0; i < w * h; i++) { UNCLAMPED_FLOAT_TO_UBYTE(buf[i], f[i]); } write_ppm(filename, buf, w, h, 1, 0, 0, 0, invert); free(buf); } else { _mesa_problem(NULL, "Unsupported format 0x%x / type 0x%x in _mesa_dump_image()", format, type); } } /** * Quick and dirty function to "print" a texture to stdout. */ void _mesa_print_texture(struct gl_context *ctx, struct gl_texture_image *img) { const GLint slice = 0; GLint srcRowStride; GLuint i, j, c; GLubyte *data; ctx->Driver.MapTextureImage(ctx, img, slice, 0, 0, img->Width, img->Height, GL_MAP_READ_BIT, &data, &srcRowStride); if (!data) { printf("No texture data\n"); } else { /* XXX add more formats or make into a new format utility function */ switch (img->TexFormat) { case MESA_FORMAT_A_UNORM8: case MESA_FORMAT_L_UNORM8: case MESA_FORMAT_I_UNORM8: c = 1; break; case MESA_FORMAT_L8A8_UNORM: case MESA_FORMAT_A8L8_UNORM: c = 2; break; case MESA_FORMAT_BGR_UNORM8: case MESA_FORMAT_RGB_UNORM8: c = 3; break; case MESA_FORMAT_A8B8G8R8_UNORM: case MESA_FORMAT_B8G8R8A8_UNORM: c = 4; break; default: _mesa_problem(NULL, "error in PrintTexture\n"); return; } for (i = 0; i < img->Height; i++) { for (j = 0; j < img->Width; j++) { if (c==1) printf("%02x ", data[0]); else if (c==2) printf("%02x%02x ", data[0], data[1]); else if (c==3) printf("%02x%02x%02x ", data[0], data[1], data[2]); else if (c==4) printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]); data += (srcRowStride - img->Width) * c; } /* XXX use img->ImageStride here */ printf("\n"); } } ctx->Driver.UnmapTextureImage(ctx, img, slice); }