/*
* 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.
* 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.
+ * 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 <stdio.h>
#include "mtypes.h"
#include "attrib.h"
-#include "colormac.h"
-#include "context.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 "texgetimage.h"
#include "texobj.h"
-#include "texformat.h"
-/**
- * Primitive names
- */
-const char *_mesa_prim_name[GL_POLYGON+4] = {
- "GL_POINTS",
- "GL_LINES",
- "GL_LINE_LOOP",
- "GL_LINE_STRIP",
- "GL_TRIANGLES",
- "GL_TRIANGLE_STRIP",
- "GL_TRIANGLE_FAN",
- "GL_QUADS",
- "GL_QUAD_STRIP",
- "GL_POLYGON",
- "outside begin/end",
- "inside unkown primitive",
- "unknown state"
-};
+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%s\n",
+ "%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_MATRIX) ? "ctx->ColorMatrix, " : "",
- (state & _NEW_ACCUM) ? "ctx->Accum, " : "",
(state & _NEW_COLOR) ? "ctx->Color, " : "",
(state & _NEW_DEPTH) ? "ctx->Depth, " : "",
(state & _NEW_EVAL) ? "ctx->Eval/EvalMap, " : "",
(state & _NEW_POLYGON) ? "ctx->Polygon, " : "",
(state & _NEW_POLYGONSTIPPLE) ? "ctx->PolygonStipple, " : "",
(state & _NEW_SCISSOR) ? "ctx->Scissor, " : "",
- (state & _NEW_TEXTURE) ? "ctx->Texture, " : "",
+ (state & _NEW_STENCIL) ? "ctx->Stencil, " : "",
+ (state & _NEW_TEXTURE_OBJECT) ? "ctx->Texture(Object), " : "",
(state & _NEW_TRANSFORM) ? "ctx->Transform, " : "",
(state & _NEW_VIEWPORT) ? "ctx->Viewport, " : "",
- (state & _NEW_PACKUNPACK) ? "ctx->Pack/Unpack, " : "",
+ (state & _NEW_TEXTURE_STATE) ? "ctx->Texture(State), " : "",
(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%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_LINE_WIDTH) ? "line-wide, " : "",
- (flags & DD_POINT_SMOOTH) ? "point-smooth, " : "",
- (flags & DD_POINT_SIZE) ? "point-size, " : "",
- (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 )
+void _mesa_print_info( struct gl_context *ctx )
{
_mesa_debug(NULL, "Mesa GL_VERSION = %s\n",
(char *) _mesa_GetString(GL_VERSION));
(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
+
+ /* 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
/**
- * 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.
+ * 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 add_debug_flags( const char *debug )
+static void
+set_verbose_flags(const char *str)
{
#ifdef DEBUG
- struct debug_option {
+ struct option {
const char *name;
GLbitfield flag;
};
- static const struct debug_option debug_opt[] = {
+ static const struct option opts[] = {
{ "varray", VERBOSE_VARRAY },
{ "tex", VERBOSE_TEXTURE },
- { "imm", VERBOSE_IMMEDIATE },
+ { "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 }
+ { "disassem", VERBOSE_DISASSEM },
+ { "draw", VERBOSE_DRAW },
+ { "swap", VERBOSE_SWAPBUFFERS }
};
GLuint i;
- MESA_VERBOSE = 0x0;
- for (i = 0; i < Elements(debug_opt); i++) {
- if (_mesa_strstr(debug, debug_opt[i].name))
- MESA_VERBOSE |= debug_opt[i].flag;
- }
+ if (!str)
+ return;
- /* Debug flag:
- */
- if (_mesa_strstr(debug, "flush"))
- MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH;
-
-#if defined(_FPU_GETCW) && defined(_FPU_SETCW)
- if (_mesa_strstr(debug, "fpexceptions")) {
- /* raise FP exceptions */
- fpu_control_t mask;
- _FPU_GETCW(mask);
- mask &= ~(_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM
- | _FPU_MASK_OM | _FPU_MASK_UM);
- _FPU_SETCW(mask);
+ 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
-
-#else
- (void) debug;
-#endif
}
-void
-_mesa_init_debug( GLcontext *ctx )
+/**
+ * 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)
{
- char *c;
+#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;
- /* Dither disable */
- ctx->NoDither = _mesa_getenv("MESA_NO_DITHER") ? GL_TRUE : GL_FALSE;
- if (ctx->NoDither) {
- if (_mesa_getenv("MESA_DEBUG")) {
- _mesa_debug(ctx, "MESA_NO_DITHER set - dithering disabled\n");
- }
- ctx->Color.DitherFlag = GL_FALSE;
+ 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
+}
- c = _mesa_getenv("MESA_DEBUG");
- if (c)
- add_debug_flags(c);
- c = _mesa_getenv("MESA_VERBOSE");
- if (c)
- add_debug_flags(c);
+/**
+ * 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"));
}
}
fclose(f);
}
+ else {
+ fprintf(stderr, "Unable to create %s in write_ppm()\n", filename);
+ }
}
/**
- * Write level[0] image to a ppm file.
+ * 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)
+write_texture_image(struct gl_texture_object *texObj,
+ GLuint face, GLuint level)
{
struct gl_texture_image *img = texObj->Image[face][level];
if (img) {
GLubyte *buffer;
char s[100];
- buffer = (GLubyte *) _mesa_malloc(img->Width * img->Height
+ buffer = malloc(img->Width * img->Height
* img->Depth * 4);
store = ctx->Pack; /* save */
ctx->Pack = ctx->DefaultPacking;
- ctx->Driver.GetTexImage(ctx, texObj->Target, level,
- GL_RGBA, GL_UNSIGNED_BYTE,
- buffer, texObj, img);
+ ctx->Driver.GetTexSubImage(ctx,
+ 0, 0, 0, img->Width, img->Height, img->Depth,
+ GL_RGBA, GL_UNSIGNED_BYTE, buffer, img);
/* make filename */
- _mesa_sprintf(s, "/tmp/teximage%u.ppm", texObj->Name);
+ _mesa_snprintf(s, sizeof(s), "/tmp/tex%u.l%u.f%u.ppm", texObj->Name, level, face);
- _mesa_printf(" Writing image level %u to %s\n", level, s);
+ 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 */
- _mesa_free(buffer);
+ free(buffer);
}
}
-static GLboolean DumpImages;
+/**
+ * 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_cb(GLuint id, void *data, void *userData)
+dump_texture(struct gl_texture_object *texObj, GLuint writeImages)
{
- struct gl_texture_object *texObj = (struct gl_texture_object *) data;
- int i;
+ const GLuint numFaces = texObj->Target == GL_TEXTURE_CUBE_MAP ? 6 : 1;
GLboolean written = GL_FALSE;
- (void) userData;
+ GLuint i, j;
- _mesa_printf("Texture %u\n", texObj->Name);
- _mesa_printf(" Target 0x%x\n", texObj->Target);
+ printf("Texture %u\n", texObj->Name);
+ printf(" Target %s\n", tex_target_name(texObj->Target));
for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
- struct gl_texture_image *texImg = texObj->Image[0][i];
- if (texImg) {
- _mesa_printf(" Image %u: %d x %d x %d, format %u at %p\n", i,
- texImg->Width, texImg->Height, texImg->Depth,
- texImg->TexFormat->MesaFormat, texImg->Data);
- if (DumpImages && !written) {
- GLuint face = 0;
- write_texture_image(texObj, face, i);
- written = GL_TRUE;
+ 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(GLboolean dumpImages)
+_mesa_dump_textures(GLuint writeImages)
{
GET_CURRENT_CONTEXT(ctx);
- DumpImages = dumpImages;
+ 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)
{
const GLuint h = ctx->DrawBuffer->Height;
GLubyte *buf;
- buf = (GLubyte *) _mesa_malloc(w * h * 4);
+ buf = malloc(w * h * 4);
_mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
_mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
_mesa_ReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, buf);
- _mesa_printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
- ctx->ReadBuffer->_ColorReadBuffer,
- ctx->ReadBuffer->ColorReadBuffer,
- ctx->DrawBuffer->_ColorDrawBuffers[0],
- ctx->DrawBuffer->ColorDrawBuffer[0]);
- _mesa_printf("Writing %d x %d color buffer to %s\n", w, h, filename);
+ 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();
- _mesa_free(buf);
+ free(buf);
}
GLubyte *buf2;
GLuint i;
- buf = (GLuint *) _mesa_malloc(w * h * 4); /* 4 bpp */
- buf2 = (GLubyte *) _mesa_malloc(w * h * 3); /* 3 bpp */
+ 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);
buf2[i*3+2] = (buf[i] >> 8) & 0xff;
}
- _mesa_printf("Writing %d x %d depth buffer to %s\n", w, h, filename);
+ 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();
- _mesa_free(buf);
- _mesa_free(buf2);
+ free(buf);
+ free(buf2);
}
GLubyte *buf2;
GLuint i;
- buf = (GLubyte *) _mesa_malloc(w * h); /* 1 bpp */
- buf2 = (GLubyte *) _mesa_malloc(w * h * 3); /* 3 bpp */
+ 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);
buf2[i*3+2] = (buf[i] - 128) * 2;
}
- _mesa_printf("Writing %d x %d stencil buffer to %s\n", w, h, filename);
+ 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();
- _mesa_free(buf);
- _mesa_free(buf2);
+ 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);
}