-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * 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
- * BRIAN PAUL 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 "mtypes.h"
-#include "attrib.h"
-#include "colormac.h"
-#include "enums.h"
-#include "formats.h"
-#include "hash.h"
-#include "imports.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" }
- };
- GLuint i;
- for (i = 0; i < Elements(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) ? "ctx->Texture, " : "",
- (state & _NEW_TRANSFORM) ? "ctx->Transform, " : "",
- (state & _NEW_VIEWPORT) ? "ctx->Viewport, " : "",
- (state & _NEW_PACKUNPACK) ? "ctx->Pack/Unpack, " : "",
- (state & _NEW_ARRAY) ? "ctx->Array, " : "",
- (state & _NEW_RENDERMODE) ? "ctx->RenderMode, " : "",
- (state & _NEW_BUFFERS) ? "ctx->Visual, ctx->DrawBuffer,, " : "");
-}
-
-
-
-void
-_mesa_print_tri_caps( const char *name, GLuint flags )
-{
- _mesa_debug(NULL,
- "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s\n",
- name,
- flags,
- (flags & DD_FLATSHADE) ? "flat-shade, " : "",
- (flags & DD_SEPARATE_SPECULAR) ? "separate-specular, " : "",
- (flags & DD_TRI_LIGHT_TWOSIDE) ? "tri-light-twoside, " : "",
- (flags & DD_TRI_TWOSTENCIL) ? "tri-twostencil, " : "",
- (flags & DD_TRI_UNFILLED) ? "tri-unfilled, " : "",
- (flags & DD_TRI_STIPPLE) ? "tri-stipple, " : "",
- (flags & DD_TRI_OFFSET) ? "tri-offset, " : "",
- (flags & DD_TRI_SMOOTH) ? "tri-smooth, " : "",
- (flags & DD_LINE_SMOOTH) ? "line-smooth, " : "",
- (flags & DD_LINE_STIPPLE) ? "line-stipple, " : "",
- (flags & DD_POINT_SMOOTH) ? "point-smooth, " : "",
- (flags & DD_POINT_ATTEN) ? "point-atten, " : "",
- (flags & DD_TRI_CULL_FRONT_BACK) ? "cull-all, " : ""
- );
-}
-
-
-/**
- * Print information about this Mesa version and build options.
- */
-void _mesa_print_info( void )
-{
- _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));
- _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n",
- (char *) _mesa_GetString(GL_EXTENSIONS));
-#if defined(THREADS)
- _mesa_debug(NULL, "Mesa thread-safe: YES\n");
-#else
- _mesa_debug(NULL, "Mesa thread-safe: NO\n");
-#endif
-#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 the debugging flags.
- *
- * \param debug debug string
- *
- * If compiled with debugging support then search for keywords in \p debug and
- * enables the verbose debug output of the respective feature.
- */
-static void add_debug_flags( const char *debug )
-{
-#ifdef DEBUG
- struct debug_option {
- const char *name;
- GLbitfield flag;
- };
- static const struct debug_option debug_opt[] = {
- { "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;
-
- MESA_VERBOSE = 0x0;
- for (i = 0; i < Elements(debug_opt); i++) {
- if (strstr(debug, debug_opt[i].name) || strcmp(debug, "all") == 0)
- MESA_VERBOSE |= debug_opt[i].flag;
- }
-
- /* Debug flag:
- */
- if (strstr(debug, "flush"))
- MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH;
-
-#else
- (void) debug;
-#endif
-}
-
-
-void
-_mesa_init_debug( struct gl_context *ctx )
-{
- char *c;
- c = _mesa_getenv("MESA_DEBUG");
- if (c)
- add_debug_flags(c);
-
- c = _mesa_getenv("MESA_VERBOSE");
- if (c)
- add_debug_flags(c);
-}
-
-
-/*
- * 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 */
- 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 = (GLubyte *) malloc(img->Width * img->Height
- * img->Depth * 4);
-
- store = ctx->Pack; /* save */
- ctx->Pack = ctx->DefaultPacking;
-
- ctx->Driver.GetTexImage(ctx, 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 {
- _mesa_debug(NULL,
- "Unsupported BaseFormat 0x%x in "
- "_mesa_write_renderbuffer_image()\n",
- rb->_BaseFormat);
- return;
- }
-
- buffer = (GLubyte *) 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.ppm");
- _mesa_snprintf(s, sizeof(s), "C:\\renderbuffer.ppm");
-
- 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 x %u IntFormat = %s\n",
- rb->Width, rb->Height,
- _mesa_lookup_enum_by_nr(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 = (GLubyte *) 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->_ColorDrawBuffer,
- ctx->DrawBuffer->ColorDrawBuffer);
- 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 = (GLuint *) malloc(w * h * 4); /* 4 bpp */
- buf2 = (GLubyte *) 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 = (GLubyte *) malloc(w * h); /* 1 bpp */
- buf2 = (GLubyte *) 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 {
- _mesa_problem(NULL, "Unsupported format/type in _mesa_dump_image()");
- }
-}
-
-
-/**
- * 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_A8:
- case MESA_FORMAT_L8:
- case MESA_FORMAT_I8:
- c = 1;
- break;
- case MESA_FORMAT_AL88:
- case MESA_FORMAT_AL88_REV:
- c = 2;
- break;
- case MESA_FORMAT_RGB888:
- case MESA_FORMAT_BGR888:
- c = 3;
- break;
- case MESA_FORMAT_RGBA8888:
- case MESA_FORMAT_ARGB8888:
- 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);
-}
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