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[Mplayerxp-cvslog] SF.net SVN: mplayerxp:[64] mplayerxp
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From: <nic...@us...> - 2010-01-03 18:01:10
|
Revision: 64
http://mplayerxp.svn.sourceforge.net/mplayerxp/?rev=64&view=rev
Author: nickols_k
Date: 2010-01-03 18:00:58 +0000 (Sun, 03 Jan 2010)
Log Message:
-----------
simplify opengl driver
Modified Paths:
--------------
functions
mplayerxp/configure
mplayerxp/libvo/Makefile
mplayerxp/libvo/vo_opengl.c
mplayerxp/libvo/vo_x11.c
mplayerxp/libvo/vo_xv.c
mplayerxp/libvo/x11_common.c
Removed Paths:
-------------
mplayerxp/libvo/gl_common.c
mplayerxp/libvo/gl_common.h
Modified: functions
===================================================================
--- functions 2010-01-03 14:25:30 UTC (rev 63)
+++ functions 2010-01-03 18:00:58 UTC (rev 64)
@@ -1119,7 +1119,7 @@
if test -z $CFLAGS ; then
add_cflags $locarch
fi
-if enabled profile || test $debug -gt 0 || enabled gcov; then
+if enabled profile || test "$debug" != "0" || enabled gcov; then
add_cflags "-O2 -fno-builtin"
if enabled profile ; then
add_cflags "-pg"
Modified: mplayerxp/configure
===================================================================
--- mplayerxp/configure 2010-01-03 14:25:30 UTC (rev 63)
+++ mplayerxp/configure 2010-01-03 18:00:58 UTC (rev 64)
@@ -361,7 +361,7 @@
x86_64 && _arch="x86_64"
ffmpeg_args="--arch=$arch $ffmpeg_args"
fi
-test "$debug" -gt "0" && ffmpeg_args="$ffmpeg_args --enable-debug=$debug"
+test "$debug" != "0" && ffmpeg_args="$ffmpeg_args --enable-debug=$debug"
enabled $profile && ffmpeg_args="$ffmpeg_args --enable-profile"
echocheck "configuring ffmpeg stuff: --cc=\"$cc\" $ffmpeg_args"
cd ../ffmpeg
Modified: mplayerxp/libvo/Makefile
===================================================================
--- mplayerxp/libvo/Makefile 2010-01-03 14:25:30 UTC (rev 63)
+++ mplayerxp/libvo/Makefile 2010-01-03 18:00:58 UTC (rev 64)
@@ -8,7 +8,7 @@
SRCS+=vo_sdl.c
endif
ifeq ($(HAVE_OPENGL),yes)
-SRCS+=gl_common.c vo_opengl.c
+SRCS+=vo_opengl.c
endif
ifeq ($(HAVE_VDPAU),yes)
SRCS+=vo_vdpau.c
Deleted: mplayerxp/libvo/gl_common.c
===================================================================
--- mplayerxp/libvo/gl_common.c 2010-01-03 14:25:30 UTC (rev 63)
+++ mplayerxp/libvo/gl_common.c 2010-01-03 18:00:58 UTC (rev 64)
@@ -1,1698 +0,0 @@
-/*
- * common OpenGL routines
- *
- * copyleft (C) 2005 Reimar Döffinger <Rei...@st...>
- * Special thanks go to the xine team and Matthias Hopf, whose video_out_opengl.c
- * gave me lots of good ideas.
- *
- * This file is part of MPlayer.
- *
- * MPlayer 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * MPlayer 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 for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with MPlayer; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-/**
- * \file gl_common.c
- * \brief OpenGL helper functions used by vo_gl.c and vo_gl2.c
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <math.h>
-#include "gl_common.h"
-#include "img_format.h"
-#include "vo_msg.h"
-#include "libavutil/common.h"
-
-/**
- * \defgroup glextfunctions OpenGL extension functions
- *
- * the pointers to these functions are acquired when the OpenGL
- * context is created
- * \{
- */
-void (APIENTRY *GenBuffers)(GLsizei, GLuint *);
-void (APIENTRY *DeleteBuffers)(GLsizei, const GLuint *);
-void (APIENTRY *BindBuffer)(GLenum, GLuint);
-GLvoid* (APIENTRY *MapBuffer)(GLenum, GLenum);
-GLboolean (APIENTRY *UnmapBuffer)(GLenum);
-void (APIENTRY *BufferData)(GLenum, intptr_t, const GLvoid *, GLenum);
-void (APIENTRY *CombinerParameterfv)(GLenum, const GLfloat *);
-void (APIENTRY *CombinerParameteri)(GLenum, GLint);
-void (APIENTRY *CombinerInput)(GLenum, GLenum, GLenum, GLenum, GLenum,
- GLenum);
-void (APIENTRY *CombinerOutput)(GLenum, GLenum, GLenum, GLenum, GLenum,
- GLenum, GLenum, GLboolean, GLboolean,
- GLboolean);
-void (APIENTRY *BeginFragmentShader)(void);
-void (APIENTRY *EndFragmentShader)(void);
-void (APIENTRY *SampleMap)(GLuint, GLuint, GLenum);
-void (APIENTRY *ColorFragmentOp2)(GLenum, GLuint, GLuint, GLuint, GLuint,
- GLuint, GLuint, GLuint, GLuint, GLuint);
-void (APIENTRY *ColorFragmentOp3)(GLenum, GLuint, GLuint, GLuint, GLuint,
- GLuint, GLuint, GLuint, GLuint, GLuint,
- GLuint, GLuint, GLuint);
-void (APIENTRY *SetFragmentShaderConstant)(GLuint, const GLfloat *);
-void (APIENTRY *ActiveTexture)(GLenum);
-void (APIENTRY *BindTexture)(GLenum, GLuint);
-void (APIENTRY *MultiTexCoord2f)(GLenum, GLfloat, GLfloat);
-void (APIENTRY *GenPrograms)(GLsizei, GLuint *);
-void (APIENTRY *DeletePrograms)(GLsizei, const GLuint *);
-void (APIENTRY *BindProgram)(GLenum, GLuint);
-void (APIENTRY *ProgramString)(GLenum, GLenum, GLsizei, const GLvoid *);
-void (APIENTRY *GetProgramiv)(GLenum, GLenum, GLint *);
-void (APIENTRY *ProgramEnvParameter4f)(GLenum, GLuint, GLfloat, GLfloat,
- GLfloat, GLfloat);
-int (APIENTRY *SwapInterval)(int);
-void (APIENTRY *TexImage3D)(GLenum, GLint, GLenum, GLsizei, GLsizei, GLsizei,
- GLint, GLenum, GLenum, const GLvoid *);
-void* (APIENTRY *AllocateMemoryMESA)(void *, int, size_t, float, float, float);
-void (APIENTRY *FreeMemoryMESA)(void *, int, void *);
-/** \} */ // end of glextfunctions group
-
-//! \defgroup glgeneral OpenGL general helper functions
-
-//! \defgroup glcontext OpenGL context management helper functions
-
-//! \defgroup gltexture OpenGL texture handling helper functions
-
-//! \defgroup glconversion OpenGL conversion helper functions
-
-static GLint hqtexfmt;
-
-/**
- * \brief adjusts the GL_UNPACK_ALIGNMENT to fit the stride.
- * \param stride number of bytes per line for which alignment should fit.
- * \ingroup glgeneral
- */
-void glAdjustAlignment(int stride) {
- GLint gl_alignment;
- if (stride % 8 == 0)
- gl_alignment=8;
- else if (stride % 4 == 0)
- gl_alignment=4;
- else if (stride % 2 == 0)
- gl_alignment=2;
- else
- gl_alignment=1;
- glPixelStorei (GL_UNPACK_ALIGNMENT, gl_alignment);
-}
-
-struct gl_name_map_struct {
- GLint value;
- const char *name;
-};
-
-#undef MAP
-#define MAP(a) {a, #a}
-//! mapping table for the glValName function
-static const struct gl_name_map_struct gl_name_map[] = {
- // internal format
- MAP(GL_R3_G3_B2), MAP(GL_RGB4), MAP(GL_RGB5), MAP(GL_RGB8),
- MAP(GL_RGB10), MAP(GL_RGB12), MAP(GL_RGB16), MAP(GL_RGBA2),
- MAP(GL_RGBA4), MAP(GL_RGB5_A1), MAP(GL_RGBA8), MAP(GL_RGB10_A2),
- MAP(GL_RGBA12), MAP(GL_RGBA16), MAP(GL_LUMINANCE8),
-
- // format
- MAP(GL_RGB), MAP(GL_RGBA), MAP(GL_RED), MAP(GL_GREEN), MAP(GL_BLUE),
- MAP(GL_ALPHA), MAP(GL_LUMINANCE), MAP(GL_LUMINANCE_ALPHA),
- MAP(GL_COLOR_INDEX),
- // rest 1.2 only
- MAP(GL_BGR), MAP(GL_BGRA),
-
- //type
- MAP(GL_BYTE), MAP(GL_UNSIGNED_BYTE), MAP(GL_SHORT), MAP(GL_UNSIGNED_SHORT),
- MAP(GL_INT), MAP(GL_UNSIGNED_INT), MAP(GL_FLOAT), MAP(GL_DOUBLE),
- MAP(GL_2_BYTES), MAP(GL_3_BYTES), MAP(GL_4_BYTES),
- // rest 1.2 only
- MAP(GL_UNSIGNED_BYTE_3_3_2), MAP(GL_UNSIGNED_BYTE_2_3_3_REV),
- MAP(GL_UNSIGNED_SHORT_5_6_5), MAP(GL_UNSIGNED_SHORT_5_6_5_REV),
- MAP(GL_UNSIGNED_SHORT_4_4_4_4), MAP(GL_UNSIGNED_SHORT_4_4_4_4_REV),
- MAP(GL_UNSIGNED_SHORT_5_5_5_1), MAP(GL_UNSIGNED_SHORT_1_5_5_5_REV),
- MAP(GL_UNSIGNED_INT_8_8_8_8), MAP(GL_UNSIGNED_INT_8_8_8_8_REV),
- MAP(GL_UNSIGNED_INT_10_10_10_2), MAP(GL_UNSIGNED_INT_2_10_10_10_REV),
- {0, 0}
-};
-#undef MAP
-
-/**
- * \brief return the name of an OpenGL constant
- * \param value the constant
- * \return name of the constant or "Unknown format!"
- * \ingroup glgeneral
- */
-const char *glValName(GLint value)
-{
- int i = 0;
-
- while (gl_name_map[i].name) {
- if (gl_name_map[i].value == value)
- return gl_name_map[i].name;
- i++;
- }
- return "Unknown format!";
-}
-
-//! always return this format as internal texture format in glFindFormat
-#define TEXTUREFORMAT_ALWAYS GL_RGB8
-#undef TEXTUREFORMAT_ALWAYS
-
-/**
- * \brief find the OpenGL settings coresponding to format.
- *
- * All parameters may be NULL.
- * \param fmt MPlayer format to analyze.
- * \param bpp [OUT] bits per pixel of that format.
- * \param gl_texfmt [OUT] internal texture format that fits the
- * image format, not necessarily the best for performance.
- * \param gl_format [OUT] OpenGL format for this image format.
- * \param gl_type [OUT] OpenGL type for this image format.
- * \return 1 if format is supported by OpenGL, 0 if not.
- * \ingroup gltexture
- */
-int glFindFormat(uint32_t fmt, int *bpp, GLint *gl_texfmt,
- GLenum *gl_format, GLenum *gl_type)
-{
- int supported = 1;
- int dummy1;
- GLenum dummy2;
- GLint dummy3;
- if (!bpp) bpp = &dummy1;
- if (!gl_texfmt) gl_texfmt = &dummy3;
- if (!gl_format) gl_format = &dummy2;
- if (!gl_type) gl_type = &dummy2;
-
- *bpp = IMGFMT_IS_BGR(fmt)?IMGFMT_BGR_DEPTH(fmt):IMGFMT_RGB_DEPTH(fmt);
- *gl_texfmt = 3;
- switch (fmt) {
- case IMGFMT_RGB48NE:
- *gl_format = GL_RGB;
- *gl_type = GL_UNSIGNED_SHORT;
- break;
- case IMGFMT_RGB24:
- *gl_format = GL_RGB;
- *gl_type = GL_UNSIGNED_BYTE;
- break;
- case IMGFMT_RGBA:
- *gl_texfmt = 4;
- *gl_format = GL_RGBA;
- *gl_type = GL_UNSIGNED_BYTE;
- break;
- case IMGFMT_YV12:
- supported = 0; // no native YV12 support
- case IMGFMT_Y800:
- case IMGFMT_Y8:
- *gl_texfmt = 1;
- *bpp = 8;
- *gl_format = GL_LUMINANCE;
- *gl_type = GL_UNSIGNED_BYTE;
- break;
- case IMGFMT_UYVY:
- case IMGFMT_YUY2:
- *gl_texfmt = GL_YCBCR_MESA;
- *bpp = 16;
- *gl_format = GL_YCBCR_MESA;
- *gl_type = fmt == IMGFMT_UYVY ? GL_UNSIGNED_SHORT_8_8 : GL_UNSIGNED_SHORT_8_8_REV;
- break;
-#if 0
- // we do not support palettized formats, although the format the
- // swscale produces works
- case IMGFMT_RGB8:
- gl_format = GL_RGB;
- gl_type = GL_UNSIGNED_BYTE_2_3_3_REV;
- break;
-#endif
- case IMGFMT_RGB15:
- *gl_format = GL_RGBA;
- *gl_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
- break;
- case IMGFMT_RGB16:
- *gl_format = GL_RGB;
- *gl_type = GL_UNSIGNED_SHORT_5_6_5_REV;
- break;
-#if 0
- case IMGFMT_BGR8:
- // special case as red and blue have a differen number of bits.
- // GL_BGR and GL_UNSIGNED_BYTE_3_3_2 isn't supported at least
- // by nVidia drivers, and in addition would give more bits to
- // blue than to red, which isn't wanted
- gl_format = GL_RGB;
- gl_type = GL_UNSIGNED_BYTE_3_3_2;
- break;
-#endif
- case IMGFMT_BGR15:
- *gl_format = GL_BGRA;
- *gl_type = GL_UNSIGNED_SHORT_1_5_5_5_REV;
- break;
- case IMGFMT_BGR16:
- *gl_format = GL_RGB;
- *gl_type = GL_UNSIGNED_SHORT_5_6_5;
- break;
- case IMGFMT_BGR24:
- *gl_format = GL_BGR;
- *gl_type = GL_UNSIGNED_BYTE;
- break;
- case IMGFMT_BGRA:
- *gl_texfmt = 4;
- *gl_format = GL_BGRA;
- *gl_type = GL_UNSIGNED_BYTE;
- break;
- default:
- *gl_texfmt = 4;
- *gl_format = GL_RGBA;
- *gl_type = GL_UNSIGNED_BYTE;
- supported = 0;
- }
-#ifdef TEXTUREFORMAT_ALWAYS
- *gl_texfmt = TEXTUREFORMAT_ALWAYS;
-#endif
- return supported;
-}
-
-static void *setNull(const GLubyte *s) {
- return NULL;
-}
-
-typedef struct {
- void *funcptr;
- const char *extstr;
- const char *funcnames[7];
-} extfunc_desc_t;
-
-static const extfunc_desc_t extfuncs[] = {
- {&GenBuffers, NULL, {"glGenBuffers", "glGenBuffersARB", NULL}},
- {&DeleteBuffers, NULL, {"glDeleteBuffers", "glDeleteBuffersARB", NULL}},
- {&BindBuffer, NULL, {"glBindBuffer", "glBindBufferARB", NULL}},
- {&MapBuffer, NULL, {"glMapBuffer", "glMapBufferARB", NULL}},
- {&UnmapBuffer, NULL, {"glUnmapBuffer", "glUnmapBufferARB", NULL}},
- {&BufferData, NULL, {"glBufferData", "glBufferDataARB", NULL}},
- {&CombinerParameterfv, "NV_register_combiners", {"glCombinerParameterfv", "glCombinerParameterfvNV", NULL}},
- {&CombinerParameteri, "NV_register_combiners", {"glCombinerParameteri", "glCombinerParameteriNV", NULL}},
- {&CombinerInput, "NV_register_combiners", {"glCombinerInput", "glCombinerInputNV", NULL}},
- {&CombinerOutput, "NV_register_combiners", {"glCombinerOutput", "glCombinerOutputNV", NULL}},
- {&BeginFragmentShader, "ATI_fragment_shader", {"glBeginFragmentShaderATI", NULL}},
- {&EndFragmentShader, "ATI_fragment_shader", {"glEndFragmentShaderATI", NULL}},
- {&SampleMap, "ATI_fragment_shader", {"glSampleMapATI", NULL}},
- {&ColorFragmentOp2, "ATI_fragment_shader", {"glColorFragmentOp2ATI", NULL}},
- {&ColorFragmentOp3, "ATI_fragment_shader", {"glColorFragmentOp3ATI", NULL}},
- {&SetFragmentShaderConstant, "ATI_fragment_shader", {"glSetFragmentShaderConstantATI", NULL}},
- {&ActiveTexture, NULL, {"glActiveTexture", "glActiveTextureARB", NULL}},
- {&BindTexture, NULL, {"glBindTexture", "glBindTextureARB", "glBindTextureEXT", NULL}},
- {&MultiTexCoord2f, NULL, {"glMultiTexCoord2f", "glMultiTexCoord2fARB", NULL}},
- {&GenPrograms, "_program", {"glGenProgramsARB", NULL}},
- {&DeletePrograms, "_program", {"glDeleteProgramsARB", NULL}},
- {&BindProgram, "_program", {"glBindProgramARB", NULL}},
- {&ProgramString, "_program", {"glProgramStringARB", NULL}},
- {&GetProgramiv, "_program", {"glGetProgramivARB", NULL}},
- {&ProgramEnvParameter4f, "_program", {"glProgramEnvParameter4fARB", NULL}},
- {&SwapInterval, "_swap_control", {"glXSwapInterval", "glXSwapIntervalEXT", "glXSwapIntervalSGI", "wglSwapInterval", "wglSwapIntervalEXT", "wglSwapIntervalSGI", NULL}},
- {&TexImage3D, NULL, {"glTexImage3D", NULL}},
- {&AllocateMemoryMESA, "GLX_MESA_allocate_memory", {"glXAllocateMemoryMESA", NULL}},
- {&FreeMemoryMESA, "GLX_MESA_allocate_memory", {"glXFreeMemoryMESA", NULL}},
- {NULL}
-};
-
-/**
- * \brief find the function pointers of some useful OpenGL extensions
- * \param getProcAddress function to resolve function names, may be NULL
- * \param ext2 an extra extension string
- */
-static void getFunctions(void *(*getProcAddress)(const GLubyte *),
- const char *ext2) {
- const extfunc_desc_t *dsc;
- const char *extensions = (const char *)glGetString(GL_EXTENSIONS);
- char *allexts;
- if (!extensions) extensions = "";
- if (!ext2) ext2 = "";
- allexts = malloc(strlen(extensions) + strlen(ext2) + 2);
- strcpy(allexts, extensions);
- strcat(allexts, " ");
- strcat(allexts, ext2);
- MSG_DBG2("OpenGL extensions string:\n%s\n", allexts);
- if (!getProcAddress)
- getProcAddress = setNull;
- for (dsc = extfuncs; dsc->funcptr; dsc++) {
- void *ptr = NULL;
- int i;
- if (!dsc->extstr || strstr(allexts, dsc->extstr)) {
- for (i = 0; !ptr && dsc->funcnames[i]; i++)
- ptr = getProcAddress((const GLubyte *)dsc->funcnames[i]);
- }
- *(void **)dsc->funcptr = ptr;
- }
- if (strstr(allexts, "_texture_float"))
- hqtexfmt = GL_RGB32F;
- else if (strstr(allexts, "NV_float_buffer"))
- hqtexfmt = GL_FLOAT_RGB32_NV;
- else
- hqtexfmt = GL_RGB16;
- free(allexts);
-}
-
-/**
- * \brief create a texture and set some defaults
- * \param target texture taget, usually GL_TEXTURE_2D
- * \param fmt internal texture format
- * \param format texture host data format
- * \param type texture host data type
- * \param filter filter used for scaling, e.g. GL_LINEAR
- * \param w texture width
- * \param h texture height
- * \param val luminance value to fill texture with
- * \ingroup gltexture
- */
-void glCreateClearTex(GLenum target, GLenum fmt, GLenum format, GLenum type, GLint filter,
- int w, int h, unsigned char val) {
- GLfloat fval = (GLfloat)val / 255.0;
- GLfloat border[4] = {fval, fval, fval, fval};
- int stride = w * glFmt2bpp(format, type);
- char *init;
- if (!stride) return;
- init = malloc(stride * h);
- memset(init, val, stride * h);
- glAdjustAlignment(stride);
- glPixelStorei(GL_UNPACK_ROW_LENGTH, w);
- glTexImage2D(target, 0, fmt, w, h, 0, format, type, init);
- glTexParameterf(target, GL_TEXTURE_PRIORITY, 1.0);
- glTexParameteri(target, GL_TEXTURE_MIN_FILTER, filter);
- glTexParameteri(target, GL_TEXTURE_MAG_FILTER, filter);
- glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- // Border texels should not be used with CLAMP_TO_EDGE
- // We set a sane default anyway.
- glTexParameterfv(target, GL_TEXTURE_BORDER_COLOR, border);
- free(init);
-}
-
-/**
- * \brief skips whitespace and comments
- * \param f file to read from
- */
-static void ppm_skip(FILE *f) {
- int c, comment = 0;
- do {
- c = fgetc(f);
- if (c == '#')
- comment = 1;
- if (c == '\n')
- comment = 0;
- } while (c != EOF && (isspace(c) || comment));
- if (c != EOF)
- ungetc(c, f);
-}
-
-#define MAXDIM (16 * 1024)
-
-/**
- * \brief creates a texture from a PPM file
- * \param target texture taget, usually GL_TEXTURE_2D
- * \param fmt internal texture format, 0 for default
- * \param filter filter used for scaling, e.g. GL_LINEAR
- * \param f file to read PPM from
- * \param width [out] width of texture
- * \param height [out] height of texture
- * \param maxval [out] maxval value from PPM file
- * \return 0 on error, 1 otherwise
- * \ingroup gltexture
- */
-int glCreatePPMTex(GLenum target, GLenum fmt, GLint filter,
- FILE *f, int *width, int *height, int *maxval) {
- unsigned w, h, m, val, bpp;
- char *data;
- GLenum type;
- ppm_skip(f);
- if (fgetc(f) != 'P' || fgetc(f) != '6')
- return 0;
- ppm_skip(f);
- if (fscanf(f, "%u", &w) != 1)
- return 0;
- ppm_skip(f);
- if (fscanf(f, "%u", &h) != 1)
- return 0;
- ppm_skip(f);
- if (fscanf(f, "%u", &m) != 1)
- return 0;
- val = fgetc(f);
- if (!isspace(val))
- return 0;
- if (w > MAXDIM || h > MAXDIM)
- return 0;
- bpp = (m > 255) ? 6 : 3;
- data = malloc(w * h * bpp);
- if (fread(data, w * bpp, h, f) != h) {
- free(data);
- return 0;
- }
- if (!fmt) {
- fmt = (m > 255) ? hqtexfmt : 3;
- if (fmt == GL_FLOAT_RGB32_NV && target != GL_TEXTURE_RECTANGLE)
- fmt = GL_RGB16;
- }
- type = m > 255 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_BYTE;
- glCreateClearTex(target, fmt, GL_RGB, type, filter, w, h, 0);
- glUploadTex(target, GL_RGB, type,
- data, w * bpp, 0, 0, w, h, 0);
- free(data);
- if (width) *width = w;
- if (height) *height = h;
- if (maxval) *maxval = m;
- return 1;
-}
-
-/**
- * \brief return the number of bytes per pixel for the given format
- * \param format OpenGL format
- * \param type OpenGL type
- * \return bytes per pixel
- * \ingroup glgeneral
- *
- * Does not handle all possible variants, just those used by MPlayer
- */
-int glFmt2bpp(GLenum format, GLenum type) {
- int component_size = 0;
- switch (type) {
- case GL_UNSIGNED_BYTE_3_3_2:
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- return 1;
- case GL_UNSIGNED_SHORT_5_5_5_1:
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- case GL_UNSIGNED_SHORT_5_6_5:
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- return 2;
- case GL_UNSIGNED_BYTE:
- component_size = 1;
- break;
- case GL_UNSIGNED_SHORT:
- component_size = 2;
- break;
- }
- switch (format) {
- case GL_LUMINANCE:
- case GL_ALPHA:
- return component_size;
- case GL_YCBCR_MESA:
- return 2;
- case GL_RGB:
- case GL_BGR:
- return 3 * component_size;
- case GL_RGBA:
- case GL_BGRA:
- return 4 * component_size;
- }
- return 0; // unknown
-}
-
-/**
- * \brief upload a texture, handling things like stride and slices
- * \param target texture target, usually GL_TEXTURE_2D
- * \param format OpenGL format of data
- * \param type OpenGL type of data
- * \param dataptr data to upload
- * \param stride data stride
- * \param x x offset in texture
- * \param y y offset in texture
- * \param w width of the texture part to upload
- * \param h height of the texture part to upload
- * \param slice height of an upload slice, 0 for all at once
- * \ingroup gltexture
- */
-void glUploadTex(GLenum target, GLenum format, GLenum type,
- const void *dataptr, int stride,
- int x, int y, int w, int h, int slice) {
- const uint8_t *data = dataptr;
- int y_max = y + h;
- if (w <= 0 || h <= 0) return;
- if (slice <= 0)
- slice = h;
- if (stride < 0) {
- data += (h - 1) * stride;
- stride = -stride;
- }
- // this is not always correct, but should work for MPlayer
- glAdjustAlignment(stride);
- glPixelStorei(GL_UNPACK_ROW_LENGTH, stride / glFmt2bpp(format, type));
- for (; y + slice <= y_max; y += slice) {
- glTexSubImage2D(target, 0, x, y, w, slice, format, type, data);
- data += stride * slice;
- }
- if (y < y_max)
- glTexSubImage2D(target, 0, x, y, w, y_max - y, format, type, data);
-}
-
-static void fillUVcoeff(GLfloat *ucoef, GLfloat *vcoef,
- float uvcos, float uvsin) {
- int i;
- ucoef[0] = 0 * uvcos + 1.403 * uvsin;
- vcoef[0] = 0 * uvsin + 1.403 * uvcos;
- ucoef[1] = -0.344 * uvcos + -0.714 * uvsin;
- vcoef[1] = -0.344 * uvsin + -0.714 * uvcos;
- ucoef[2] = 1.770 * uvcos + 0 * uvsin;
- vcoef[2] = 1.770 * uvsin + 0 * uvcos;
- ucoef[3] = 0;
- vcoef[3] = 0;
- // Coefficients (probably) must be in [0, 1] range, whereas they originally
- // are in [-2, 2] range, so here comes the trick:
- // First put them in the [-0.5, 0.5] range, then add 0.5.
- // This can be undone with the HALF_BIAS and SCALE_BY_FOUR arguments
- // for CombinerInput and CombinerOutput (or the respective ATI variants)
- for (i = 0; i < 4; i++) {
- ucoef[i] = ucoef[i] * 0.25 + 0.5;
- vcoef[i] = vcoef[i] * 0.25 + 0.5;
- }
-}
-
-/**
- * \brief Setup register combiners for YUV to RGB conversion.
- * \param uvcos used for saturation and hue adjustment
- * \param uvsin used for saturation and hue adjustment
- */
-static void glSetupYUVCombiners(float uvcos, float uvsin) {
- GLfloat ucoef[4];
- GLfloat vcoef[4];
- GLint i;
- if (!CombinerInput || !CombinerOutput ||
- !CombinerParameterfv || !CombinerParameteri) {
- MSG_FATAL("[gl] Combiner functions missing!\n");
- return;
- }
- glGetIntegerv(GL_MAX_GENERAL_COMBINERS_NV, &i);
- if (i < 2)
- MSG_ERR(
- "[gl] 2 general combiners needed for YUV combiner support (found %i)\n", i);
- glGetIntegerv(GL_MAX_TEXTURE_UNITS, &i);
- if (i < 3)
- MSG_ERR(
- "[gl] 3 texture units needed for YUV combiner support (found %i)\n", i);
- fillUVcoeff(ucoef, vcoef, uvcos, uvsin);
- CombinerParameterfv(GL_CONSTANT_COLOR0_NV, ucoef);
- CombinerParameterfv(GL_CONSTANT_COLOR1_NV, vcoef);
-
- // UV first, like this green component cannot overflow
- CombinerInput(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_A_NV,
- GL_TEXTURE1, GL_HALF_BIAS_NORMAL_NV, GL_RGB);
- CombinerInput(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_B_NV,
- GL_CONSTANT_COLOR0_NV, GL_HALF_BIAS_NORMAL_NV, GL_RGB);
- CombinerInput(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_C_NV,
- GL_TEXTURE2, GL_HALF_BIAS_NORMAL_NV, GL_RGB);
- CombinerInput(GL_COMBINER0_NV, GL_RGB, GL_VARIABLE_D_NV,
- GL_CONSTANT_COLOR1_NV, GL_HALF_BIAS_NORMAL_NV, GL_RGB);
- CombinerOutput(GL_COMBINER0_NV, GL_RGB, GL_DISCARD_NV, GL_DISCARD_NV,
- GL_SPARE0_NV, GL_SCALE_BY_FOUR_NV, GL_NONE, GL_FALSE,
- GL_FALSE, GL_FALSE);
-
- // stage 2
- CombinerInput(GL_COMBINER1_NV, GL_RGB, GL_VARIABLE_A_NV, GL_SPARE0_NV,
- GL_SIGNED_IDENTITY_NV, GL_RGB);
- CombinerInput(GL_COMBINER1_NV, GL_RGB, GL_VARIABLE_B_NV, GL_ZERO,
- GL_UNSIGNED_INVERT_NV, GL_RGB);
- CombinerInput(GL_COMBINER1_NV, GL_RGB, GL_VARIABLE_C_NV,
- GL_TEXTURE0, GL_SIGNED_IDENTITY_NV, GL_RGB);
- CombinerInput(GL_COMBINER1_NV, GL_RGB, GL_VARIABLE_D_NV, GL_ZERO,
- GL_UNSIGNED_INVERT_NV, GL_RGB);
- CombinerOutput(GL_COMBINER1_NV, GL_RGB, GL_DISCARD_NV, GL_DISCARD_NV,
- GL_SPARE0_NV, GL_NONE, GL_NONE, GL_FALSE,
- GL_FALSE, GL_FALSE);
-
- // leave final combiner stage in default mode
- CombinerParameteri(GL_NUM_GENERAL_COMBINERS_NV, 2);
-}
-
-/**
- * \brief Setup ATI version of register combiners for YUV to RGB conversion.
- * \param uvcos used for saturation and hue adjustment
- * \param uvsin used for saturation and hue adjustment
- *
- * ATI called this fragment shader, but the name is confusing in the
- * light of a very different OpenGL 2.0 extension with the same name
- */
-static void glSetupYUVCombinersATI(float uvcos, float uvsin) {
- GLfloat ucoef[4];
- GLfloat vcoef[4];
- GLint i;
- if (!BeginFragmentShader || !EndFragmentShader ||
- !SetFragmentShaderConstant || !SampleMap ||
- !ColorFragmentOp2 || !ColorFragmentOp3) {
- MSG_FATAL("[gl] Combiner (ATI) functions missing!\n");
- return;
- }
- glGetIntegerv(GL_NUM_FRAGMENT_REGISTERS_ATI, &i);
- if (i < 3)
- MSG_ERR(
- "[gl] 3 registers needed for YUV combiner (ATI) support (found %i)\n", i);
- glGetIntegerv (GL_MAX_TEXTURE_UNITS, &i);
- if (i < 3)
- MSG_ERR(
- "[gl] 3 texture units needed for YUV combiner (ATI) support (found %i)\n", i);
- fillUVcoeff(ucoef, vcoef, uvcos, uvsin);
- BeginFragmentShader();
- SetFragmentShaderConstant(GL_CON_0_ATI, ucoef);
- SetFragmentShaderConstant(GL_CON_1_ATI, vcoef);
- SampleMap(GL_REG_0_ATI, GL_TEXTURE0, GL_SWIZZLE_STR_ATI);
- SampleMap(GL_REG_1_ATI, GL_TEXTURE1, GL_SWIZZLE_STR_ATI);
- SampleMap(GL_REG_2_ATI, GL_TEXTURE2, GL_SWIZZLE_STR_ATI);
- // UV first, like this green component cannot overflow
- ColorFragmentOp2(GL_MUL_ATI, GL_REG_1_ATI, GL_NONE, GL_NONE,
- GL_REG_1_ATI, GL_NONE, GL_BIAS_BIT_ATI,
- GL_CON_0_ATI, GL_NONE, GL_BIAS_BIT_ATI);
- ColorFragmentOp3(GL_MAD_ATI, GL_REG_2_ATI, GL_NONE, GL_4X_BIT_ATI,
- GL_REG_2_ATI, GL_NONE, GL_BIAS_BIT_ATI,
- GL_CON_1_ATI, GL_NONE, GL_BIAS_BIT_ATI,
- GL_REG_1_ATI, GL_NONE, GL_NONE);
- ColorFragmentOp2(GL_ADD_ATI, GL_REG_0_ATI, GL_NONE, GL_NONE,
- GL_REG_0_ATI, GL_NONE, GL_NONE,
- GL_REG_2_ATI, GL_NONE, GL_NONE);
- EndFragmentShader();
-}
-
-/**
- * \brief helper function for gen_spline_lookup_tex
- * \param x subpixel-position ((0,1) range) to calculate weights for
- * \param dst where to store transformed weights, must provide space for 4 GLfloats
- *
- * calculates the weights and stores them after appropriate transformation
- * for the scaler fragment program.
- */
-static void store_weights(float x, GLfloat *dst) {
- float w0 = (((-1 * x + 3) * x - 3) * x + 1) / 6;
- float w1 = ((( 3 * x - 6) * x + 0) * x + 4) / 6;
- float w2 = (((-3 * x + 3) * x + 3) * x + 1) / 6;
- float w3 = ((( 1 * x + 0) * x + 0) * x + 0) / 6;
- *dst++ = 1 + x - w1 / (w0 + w1);
- *dst++ = 1 - x + w3 / (w2 + w3);
- *dst++ = w0 + w1;
- *dst++ = 0;
-}
-
-//! to avoid artefacts this should be rather large
-#define LOOKUP_BSPLINE_RES (2 * 1024)
-/**
- * \brief creates the 1D lookup texture needed for fast higher-order filtering
- * \param unit texture unit to attach texture to
- */
-static void gen_spline_lookup_tex(GLenum unit) {
- GLfloat *tex = calloc(4 * LOOKUP_BSPLINE_RES, sizeof(*tex));
- GLfloat *tp = tex;
- int i;
- for (i = 0; i < LOOKUP_BSPLINE_RES; i++) {
- float x = (float)(i + 0.5) / LOOKUP_BSPLINE_RES;
- store_weights(x, tp);
- tp += 4;
- }
- store_weights(0, tex);
- store_weights(1, &tex[4 * (LOOKUP_BSPLINE_RES - 1)]);
- ActiveTexture(unit);
- glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA16, LOOKUP_BSPLINE_RES, 0, GL_RGBA, GL_FLOAT, tex);
- glTexParameterf(GL_TEXTURE_1D, GL_TEXTURE_PRIORITY, 1.0);
- glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameteri(GL_TEXTURE_1D, GL_TEXTURE_WRAP_S, GL_REPEAT);
- ActiveTexture(GL_TEXTURE0);
- free(tex);
-}
-
-static const char *bilin_filt_template =
- "TEX yuv.%c, fragment.texcoord[%c], texture[%c], %s;";
-
-#define BICUB_FILT_MAIN(textype) \
- /* first y-interpolation */ \
- "ADD coord, fragment.texcoord[%c].xyxy, cdelta.xyxw;" \
- "ADD coord2, fragment.texcoord[%c].xyxy, cdelta.zyzw;" \
- "TEX a.r, coord.xyxy, texture[%c], "textype";" \
- "TEX a.g, coord.zwzw, texture[%c], "textype";" \
- /* second y-interpolation */ \
- "TEX b.r, coord2.xyxy, texture[%c], "textype";" \
- "TEX b.g, coord2.zwzw, texture[%c], "textype";" \
- "LRP a.b, parmy.b, a.rrrr, a.gggg;" \
- "LRP a.a, parmy.b, b.rrrr, b.gggg;" \
- /* x-interpolation */ \
- "LRP yuv.%c, parmx.b, a.bbbb, a.aaaa;"
-
-static const char *bicub_filt_template_2D =
- "MAD coord.xy, fragment.texcoord[%c], {%f, %f}, {0.5, 0.5};"
- "TEX parmx, coord.x, texture[%c], 1D;"
- "MUL cdelta.xz, parmx.rrgg, {-%f, 0, %f, 0};"
- "TEX parmy, coord.y, texture[%c], 1D;"
- "MUL cdelta.yw, parmy.rrgg, {0, -%f, 0, %f};"
- BICUB_FILT_MAIN("2D");
-
-static const char *bicub_filt_template_RECT =
- "ADD coord, fragment.texcoord[%c], {0.5, 0.5};"
- "TEX parmx, coord.x, texture[%c], 1D;"
- "MUL cdelta.xz, parmx.rrgg, {-1, 0, 1, 0};"
- "TEX parmy, coord.y, texture[%c], 1D;"
- "MUL cdelta.yw, parmy.rrgg, {0, -1, 0, 1};"
- BICUB_FILT_MAIN("RECT");
-
-#define CALCWEIGHTS(t, s) \
- "MAD "t", {-0.5, 0.1666, 0.3333, -0.3333}, "s", {1, 0, -0.5, 0.5};" \
- "MAD "t", "t", "s", {0, 0, -0.5, 0.5};" \
- "MAD "t", "t", "s", {-0.6666, 0, 0.8333, 0.1666};" \
- "RCP a.x, "t".z;" \
- "RCP a.y, "t".w;" \
- "MAD "t".xy, "t".xyxy, a.xyxy, {1, 1, 0, 0};" \
- "ADD "t".x, "t".xxxx, "s";" \
- "SUB "t".y, "t".yyyy, "s";"
-
-static const char *bicub_notex_filt_template_2D =
- "MAD coord.xy, fragment.texcoord[%c], {%f, %f}, {0.5, 0.5};"
- "FRC coord.xy, coord.xyxy;"
- CALCWEIGHTS("parmx", "coord.xxxx")
- "MUL cdelta.xz, parmx.rrgg, {-%f, 0, %f, 0};"
- CALCWEIGHTS("parmy", "coord.yyyy")
- "MUL cdelta.yw, parmy.rrgg, {0, -%f, 0, %f};"
- BICUB_FILT_MAIN("2D");
-
-static const char *bicub_notex_filt_template_RECT =
- "ADD coord, fragment.texcoord[%c], {0.5, 0.5};"
- "FRC coord.xy, coord.xyxy;"
- CALCWEIGHTS("parmx", "coord.xxxx")
- "MUL cdelta.xz, parmx.rrgg, {-1, 0, 1, 0};"
- CALCWEIGHTS("parmy", "coord.yyyy")
- "MUL cdelta.yw, parmy.rrgg, {0, -1, 0, 1};"
- BICUB_FILT_MAIN("RECT");
-
-#define BICUB_X_FILT_MAIN(textype) \
- "ADD coord.xy, fragment.texcoord[%c].xyxy, cdelta.xyxy;" \
- "ADD coord2.xy, fragment.texcoord[%c].xyxy, cdelta.zyzy;" \
- "TEX a.r, coord, texture[%c], "textype";" \
- "TEX b.r, coord2, texture[%c], "textype";" \
- /* x-interpolation */ \
- "LRP yuv.%c, parmx.b, a.rrrr, b.rrrr;"
-
-static const char *bicub_x_filt_template_2D =
- "MAD coord.x, fragment.texcoord[%c], {%f}, {0.5};"
- "TEX parmx, coord, texture[%c], 1D;"
- "MUL cdelta.xyz, parmx.rrgg, {-%f, 0, %f};"
- BICUB_X_FILT_MAIN("2D");
-
-static const char *bicub_x_filt_template_RECT =
- "ADD coord.x, fragment.texcoord[%c], {0.5};"
- "TEX parmx, coord, texture[%c], 1D;"
- "MUL cdelta.xyz, parmx.rrgg, {-1, 0, 1};"
- BICUB_X_FILT_MAIN("RECT");
-
-static const char *unsharp_filt_template =
- "PARAM dcoord%c = {%f, %f, %f, %f};"
- "ADD coord, fragment.texcoord[%c].xyxy, dcoord%c;"
- "SUB coord2, fragment.texcoord[%c].xyxy, dcoord%c;"
- "TEX a.r, fragment.texcoord[%c], texture[%c], %s;"
- "TEX b.r, coord.xyxy, texture[%c], %s;"
- "TEX b.g, coord.zwzw, texture[%c], %s;"
- "ADD b.r, b.r, b.g;"
- "TEX b.b, coord2.xyxy, texture[%c], %s;"
- "TEX b.g, coord2.zwzw, texture[%c], %s;"
- "DP3 b, b, {0.25, 0.25, 0.25};"
- "SUB b.r, a.r, b.r;"
- "MAD yuv.%c, b.r, {%f}, a.r;";
-
-static const char *unsharp_filt_template2 =
- "PARAM dcoord%c = {%f, %f, %f, %f};"
- "PARAM dcoord2%c = {%f, 0, 0, %f};"
- "ADD coord, fragment.texcoord[%c].xyxy, dcoord%c;"
- "SUB coord2, fragment.texcoord[%c].xyxy, dcoord%c;"
- "TEX a.r, fragment.texcoord[%c], texture[%c], %s;"
- "TEX b.r, coord.xyxy, texture[%c], %s;"
- "TEX b.g, coord.zwzw, texture[%c], %s;"
- "ADD b.r, b.r, b.g;"
- "TEX b.b, coord2.xyxy, texture[%c], %s;"
- "TEX b.g, coord2.zwzw, texture[%c], %s;"
- "ADD b.r, b.r, b.b;"
- "ADD b.a, b.r, b.g;"
- "ADD coord, fragment.texcoord[%c].xyxy, dcoord2%c;"
- "SUB coord2, fragment.texcoord[%c].xyxy, dcoord2%c;"
- "TEX b.r, coord.xyxy, texture[%c], %s;"
- "TEX b.g, coord.zwzw, texture[%c], %s;"
- "ADD b.r, b.r, b.g;"
- "TEX b.b, coord2.xyxy, texture[%c], %s;"
- "TEX b.g, coord2.zwzw, texture[%c], %s;"
- "DP4 b.r, b, {-0.1171875, -0.1171875, -0.1171875, -0.09765625};"
- "MAD b.r, a.r, {0.859375}, b.r;"
- "MAD yuv.%c, b.r, {%f}, a.r;";
-
-static const char *yuv_prog_template =
- "PARAM ycoef = {%.4f, %.4f, %.4f};"
- "PARAM ucoef = {%.4f, %.4f, %.4f};"
- "PARAM vcoef = {%.4f, %.4f, %.4f};"
- "PARAM offsets = {%.4f, %.4f, %.4f};"
- "TEMP res;"
- "MAD res.rgb, yuv.rrrr, ycoef, offsets;"
- "MAD res.rgb, yuv.gggg, ucoef, res;"
- "MAD result.color.rgb, yuv.bbbb, vcoef, res;"
- "END";
-
-static const char *yuv_pow_prog_template =
- "PARAM ycoef = {%.4f, %.4f, %.4f};"
- "PARAM ucoef = {%.4f, %.4f, %.4f};"
- "PARAM vcoef = {%.4f, %.4f, %.4f};"
- "PARAM offsets = {%.4f, %.4f, %.4f};"
- "PARAM gamma = {%.4f, %.4f, %.4f};"
- "TEMP res;"
- "MAD res.rgb, yuv.rrrr, ycoef, offsets;"
- "MAD res.rgb, yuv.gggg, ucoef, res;"
- "MAD_SAT res.rgb, yuv.bbbb, vcoef, res;"
- "POW result.color.r, res.r, gamma.r;"
- "POW result.color.g, res.g, gamma.g;"
- "POW result.color.b, res.b, gamma.b;"
- "END";
-
-static const char *yuv_lookup_prog_template =
- "PARAM ycoef = {%.4f, %.4f, %.4f, 0};"
- "PARAM ucoef = {%.4f, %.4f, %.4f, 0};"
- "PARAM vcoef = {%.4f, %.4f, %.4f, 0};"
- "PARAM offsets = {%.4f, %.4f, %.4f, 0.125};"
- "TEMP res;"
- "MAD res, yuv.rrrr, ycoef, offsets;"
- "MAD res.rgb, yuv.gggg, ucoef, res;"
- "MAD res.rgb, yuv.bbbb, vcoef, res;"
- "TEX result.color.r, res.raaa, texture[%c], 2D;"
- "ADD res.a, res.a, 0.25;"
- "TEX result.color.g, res.gaaa, texture[%c], 2D;"
- "ADD res.a, res.a, 0.25;"
- "TEX result.color.b, res.baaa, texture[%c], 2D;"
- "END";
-
-static const char *yuv_lookup3d_prog_template =
- "TEX result.color, yuv, texture[%c], 3D;"
- "END";
-
-/**
- * \brief creates and initializes helper textures needed for scaling texture read
- * \param scaler scaler type to create texture for
- * \param texu contains next free texture unit number
- * \param texs texture unit ids for the scaler are stored in this array
- */
-static void create_scaler_textures(int scaler, int *texu, char *texs) {
- switch (scaler) {
- case YUV_SCALER_BILIN:
- case YUV_SCALER_BICUB_NOTEX:
- case YUV_SCALER_UNSHARP:
- case YUV_SCALER_UNSHARP2:
- break;
- case YUV_SCALER_BICUB:
- case YUV_SCALER_BICUB_X:
- texs[0] = (*texu)++;
- gen_spline_lookup_tex(GL_TEXTURE0 + texs[0]);
- texs[0] += '0';
- break;
- default:
- MSG_ERR("[gl] unknown scaler type %i\n", scaler);
- }
-}
-
-static void gen_gamma_map(unsigned char *map, int size, float gamma);
-
-#define ROW_R 0
-#define ROW_G 1
-#define ROW_B 2
-#define COL_Y 0
-#define COL_U 1
-#define COL_V 2
-#define COL_C 3
-
-static void get_yuv2rgb_coeffs(gl_conversion_params_t *params, float yuv2rgb[3][4]) {
- float uvcos = params->saturation * cos(params->hue);
- float uvsin = params->saturation * sin(params->hue);
- int i;
- float uv_coeffs[3][2] = {
- { 0.000, 1.596},
- {-0.391, -0.813},
- { 2.018, 0.000}
- };
- for (i = 0; i < 3; i++) {
- yuv2rgb[i][COL_C] = params->brightness;
- yuv2rgb[i][COL_Y] = 1.164 * params->contrast;
- yuv2rgb[i][COL_C] += (-16 / 255.0) * yuv2rgb[i][COL_Y];
- yuv2rgb[i][COL_U] = uv_coeffs[i][0] * uvcos + uv_coeffs[i][1] * uvsin;
- yuv2rgb[i][COL_C] += (-128 / 255.0) * yuv2rgb[i][COL_U];
- yuv2rgb[i][COL_V] = uv_coeffs[i][0] * uvsin + uv_coeffs[i][1] * uvcos;
- yuv2rgb[i][COL_C] += (-128 / 255.0) * yuv2rgb[i][COL_V];
- // this "centers" contrast control so that e.g. a contrast of 0
- // leads to a grey image, not a black one
- yuv2rgb[i][COL_C] += 0.5 - params->contrast / 2.0;
- }
-}
-
-//! size of gamma map use to avoid slow exp function in gen_yuv2rgb_map
-#define GMAP_SIZE (1024)
-/**
- * \brief generate a 3D YUV -> RGB map
- * \param params struct containing parameters like brightness, gamma, ...
- * \param map where to store map. Must provide space for (size + 2)^3 elements
- * \param size size of the map, excluding border
- */
-static void gen_yuv2rgb_map(gl_conversion_params_t *params, unsigned char *map, int size) {
- int i, j, k, l;
- float step = 1.0 / size;
- float y, u, v;
- float yuv2rgb[3][4];
- unsigned char gmaps[3][GMAP_SIZE];
- gen_gamma_map(gmaps[0], GMAP_SIZE, params->rgamma);
- gen_gamma_map(gmaps[1], GMAP_SIZE, params->ggamma);
- gen_gamma_map(gmaps[2], GMAP_SIZE, params->bgamma);
- get_yuv2rgb_coeffs(params, yuv2rgb);
- for (i = 0; i < 3; i++)
- for (j = 0; j < 4; j++)
- yuv2rgb[i][j] *= GMAP_SIZE - 1;
- v = 0;
- for (i = -1; i <= size; i++) {
- u = 0;
- for (j = -1; j <= size; j++) {
- y = 0;
- for (k = -1; k <= size; k++) {
- for (l = 0; l < 3; l++) {
- float rgb = yuv2rgb[l][COL_Y] * y + yuv2rgb[l][COL_U] * u + yuv2rgb[l][COL_V] * v + yuv2rgb[l][COL_C];
- *map++ = gmaps[l][av_clip(rgb, 0, GMAP_SIZE - 1)];
- }
- y += (k == -1 || k == size - 1) ? step / 2 : step;
- }
- u += (j == -1 || j == size - 1) ? step / 2 : step;
- }
- v += (i == -1 || i == size - 1) ? step / 2 : step;
- }
-}
-
-//! resolution of texture for gamma lookup table
-#define LOOKUP_RES 512
-//! resolution for 3D yuv->rgb conversion lookup table
-#define LOOKUP_3DRES 32
-/**
- * \brief creates and initializes helper textures needed for yuv conversion
- * \param params struct containing parameters like brightness, gamma, ...
- * \param texu contains next free texture unit number
- * \param texs texture unit ids for the conversion are stored in this array
- */
-static void create_conv_textures(gl_conversion_params_t *params, int *texu, char *texs) {
- unsigned char *lookup_data = NULL;
- int conv = YUV_CONVERSION(params->type);
- switch (conv) {
- case YUV_CONVERSION_FRAGMENT:
- case YUV_CONVERSION_FRAGMENT_POW:
- break;
- case YUV_CONVERSION_FRAGMENT_LOOKUP:
- texs[0] = (*texu)++;
- ActiveTexture(GL_TEXTURE0 + texs[0]);
- lookup_data = malloc(4 * LOOKUP_RES);
- gen_gamma_map(lookup_data, LOOKUP_RES, params->rgamma);
- gen_gamma_map(&lookup_data[LOOKUP_RES], LOOKUP_RES, params->ggamma);
- gen_gamma_map(&lookup_data[2 * LOOKUP_RES], LOOKUP_RES, params->bgamma);
- glCreateClearTex(GL_TEXTURE_2D, GL_LUMINANCE8, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_LINEAR,
- LOOKUP_RES, 4, 0);
- glUploadTex(GL_TEXTURE_2D, GL_LUMINANCE, GL_UNSIGNED_BYTE, lookup_data,
- LOOKUP_RES, 0, 0, LOOKUP_RES, 4, 0);
- ActiveTexture(GL_TEXTURE0);
- texs[0] += '0';
- break;
- case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
- {
- int sz = LOOKUP_3DRES + 2; // texture size including borders
- if (!TexImage3D) {
- MSG_ERR("[gl] Missing 3D texture function!\n");
- break;
- }
- texs[0] = (*texu)++;
- ActiveTexture(GL_TEXTURE0 + texs[0]);
- lookup_data = malloc(3 * sz * sz * sz);
- gen_yuv2rgb_map(params, lookup_data, LOOKUP_3DRES);
- glAdjustAlignment(sz);
- glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
- TexImage3D(GL_TEXTURE_3D, 0, 3, sz, sz, sz, 1,
- GL_RGB, GL_UNSIGNED_BYTE, lookup_data);
- glTexParameterf(GL_TEXTURE_3D, GL_TEXTURE_PRIORITY, 1.0);
- glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP);
- glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP);
- glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP);
- ActiveTexture(GL_TEXTURE0);
- texs[0] += '0';
- }
- break;
- default:
- MSG_ERR("[gl] unknown conversion type %i\n", conv);
- }
- if (lookup_data)
- free(lookup_data);
-}
-
-/**
- * \brief adds a scaling texture read at the current fragment program position
- * \param scaler type of scaler to insert
- * \param prog_pos current position in fragment program
- * \param remain how many bytes remain in the buffer given by prog_pos
- * \param texs array containing the texture unit identifiers for this scaler
- * \param in_tex texture unit the scaler should read from
- * \param out_comp component of the yuv variable the scaler stores the result in
- * \param rect if rectangular (pixel) adressing should be used for in_tex
- * \param texw width of the in_tex texture
- * \param texh height of the in_tex texture
- * \param strength strength of filter effect if the scaler does some kind of filtering
- */
-static void add_scaler(int scaler, char **prog_pos, int *remain, char *texs,
- char in_tex, char out_comp, int rect, int texw, int texh,
- double strength) {
- const char *ttype = rect ? "RECT" : "2D";
- const float ptw = rect ? 1.0 : 1.0 / texw;
- const float pth = rect ? 1.0 : 1.0 / texh;
- switch (scaler) {
- case YUV_SCALER_BILIN:
- snprintf(*prog_pos, *remain, bilin_filt_template, out_comp, in_tex,
- in_tex, ttype);
- break;
- case YUV_SCALER_BICUB:
- if (rect)
- snprintf(*prog_pos, *remain, bicub_filt_template_RECT,
- in_tex, texs[0], texs[0],
- in_tex, in_tex, in_tex, in_tex, in_tex, in_tex, out_comp);
- else
- snprintf(*prog_pos, *remain, bicub_filt_template_2D,
- in_tex, (float)texw, (float)texh,
- texs[0], ptw, ptw, texs[0], pth, pth,
- in_tex, in_tex, in_tex, in_tex, in_tex, in_tex, out_comp);
- break;
- case YUV_SCALER_BICUB_X:
- if (rect)
- snprintf(*prog_pos, *remain, bicub_x_filt_template_RECT,
- in_tex, texs[0],
- in_tex, in_tex, in_tex, in_tex, out_comp);
- else
- snprintf(*prog_pos, *remain, bicub_x_filt_template_2D,
- in_tex, (float)texw,
- texs[0], ptw, ptw,
- in_tex, in_tex, in_tex, in_tex, out_comp);
- break;
- case YUV_SCALER_BICUB_NOTEX:
- if (rect)
- snprintf(*prog_pos, *remain, bicub_notex_filt_template_RECT,
- in_tex,
- in_tex, in_tex, in_tex, in_tex, in_tex, in_tex, out_comp);
- else
- snprintf(*prog_pos, *remain, bicub_notex_filt_template_2D,
- in_tex, (float)texw, (float)texh, ptw, ptw, pth, pth,
- in_tex, in_tex, in_tex, in_tex, in_tex, in_tex, out_comp);
- break;
- case YUV_SCALER_UNSHARP:
- snprintf(*prog_pos, *remain, unsharp_filt_template,
- out_comp, 0.5 * ptw, 0.5 * pth, 0.5 * ptw, -0.5 * pth,
- in_tex, out_comp, in_tex, out_comp, in_tex,
- in_tex, ttype, in_tex, ttype, in_tex, ttype, in_tex, ttype,
- in_tex, ttype, out_comp, strength);
- break;
- case YUV_SCALER_UNSHARP2:
- snprintf(*prog_pos, *remain, unsharp_filt_template2,
- out_comp, 1.2 * ptw, 1.2 * pth, 1.2 * ptw, -1.2 * pth,
- out_comp, 1.5 * ptw, 1.5 * pth,
- in_tex, out_comp, in_tex, out_comp, in_tex,
- in_tex, ttype, in_tex, ttype, in_tex, ttype, in_tex, ttype,
- in_tex, ttype, in_tex, out_comp, in_tex, out_comp,
- in_tex, ttype, in_tex, ttype, in_tex, ttype,
- in_tex, ttype, out_comp, strength);
- break;
- }
- *remain -= strlen(*prog_pos);
- *prog_pos += strlen(*prog_pos);
-}
-
-static const struct {
- const char *name;
- GLenum cur;
- GLenum max;
-} progstats[] = {
- {"instructions", 0x88A0, 0x88A1},
- {"native instructions", 0x88A2, 0x88A3},
- {"temporaries", 0x88A4, 0x88A5},
- {"native temporaries", 0x88A6, 0x88A7},
- {"parameters", 0x88A8, 0x88A9},
- {"native parameters", 0x88AA, 0x88AB},
- {"attribs", 0x88AC, 0x88AD},
- {"native attribs", 0x88AE, 0x88AF},
- {"ALU instructions", 0x8805, 0x880B},
- {"TEX instructions", 0x8806, 0x880C},
- {"TEX indirections", 0x8807, 0x880D},
- {"native ALU instructions", 0x8808, 0x880E},
- {"native TEX instructions", 0x8809, 0x880F},
- {"native TEX indirections", 0x880A, 0x8810},
- {NULL, 0, 0}
-};
-
-/**
- * \brief load the specified GPU Program
- * \param target program target to load into, only GL_FRAGMENT_PROGRAM is tested
- * \param prog program string
- * \return 1 on success, 0 otherwise
- */
-int loadGPUProgram(GLenum target, char *prog) {
- int i;
- GLint cur = 0, max = 0, err = 0;
- if (!ProgramString) {
- MSG_ERR("[gl] Missing GPU program function\n");
- return 0;
- }
- ProgramString(target, GL_PROGRAM_FORMAT_ASCII, strlen(prog), prog);
- glGetIntegerv(GL_PROGRAM_ERROR_POSITION, &err);
- if (err != -1) {
- MSG_ERR(
- "[gl] Error compiling fragment program, make sure your card supports\n"
- "[gl] GL_ARB_fragment_program (use glxinfo to check).\n"
- "[gl] Error message:\n %s at %.10s\n",
- glGetString(GL_PROGRAM_ERROR_STRING), &prog[err]);
- return 0;
- }
- if (!GetProgramiv)
- return 1;
- MSG_V("[gl] Program statistics:\n");
- for (i = 0; progstats[i].name; i++) {
- GetProgramiv(target, progstats[i].cur, &cur);
- GetProgramiv(target, progstats[i].max, &max);
- MSG_V( "[gl] %s: %i/%i\n", progstats[i].name, cur, max);
- }
- return 1;
-}
-
-#define MAX_PROGSZ (1024*1024)
-
-/**
- * \brief setup a fragment program that will do YUV->RGB conversion
- * \param parms struct containing parameters like conversion and scaler type,
- * brightness, ...
- */
-static void glSetupYUVFragprog(gl_conversion_params_t *params) {
- int type = params->type;
- int texw = params->texw;
- int texh = params->texh;
- int rect = params->target == GL_TEXTURE_RECTANGLE;
- static const char prog_hdr[] =
- "!!ARBfp1.0\n"
- "OPTION ARB_precision_hint_fastest;"
- // all scaler variables must go here so they aren't defined
- // multiple times when the same scaler is used more than once
- "TEMP coord, coord2, cdelta, parmx, parmy, a, b, yuv;";
- int prog_remain;
- char *yuv_prog, *prog_pos;
- int cur_texu = 3;
- char lum_scale_texs[1];
- char chrom_scale_texs[1];
- char conv_texs[1];
- GLint i;
- // this is the conversion matrix, with y, u, v factors
- // for red, green, blue and the constant offsets
- float yuv2rgb[3][4];
- create_conv_textures(params, &cur_texu, conv_texs);
- create_scaler_textures(YUV_LUM_SCALER(type), &cur_texu, lum_scale_texs);
- if (YUV_CHROM_SCALER(type) == YUV_LUM_SCALER(type))
- memcpy(chrom_scale_texs, lum_scale_texs, sizeof(chrom_scale_texs));
- else
- create_scaler_textures(YUV_CHROM_SCALER(type), &cur_texu, chrom_scale_texs);
- glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &i);
- if (i < cur_texu)
- MSG_ERR(
- "[gl] %i texture units needed for this type of YUV fragment support (found %i)\n",
- cur_texu, i);
- if (!ProgramString) {
- MSG_FATAL("[gl] ProgramString function missing!\n");
- return;
- }
- yuv_prog = malloc(MAX_PROGSZ);
- strcpy(yuv_prog, prog_hdr);
- prog_pos = yuv_prog + sizeof(prog_hdr) - 1;
- prog_remain = MAX_PROGSZ - sizeof(prog_hdr);
- add_scaler(YUV_LUM_SCALER(type), &prog_pos, &prog_remain, lum_scale_texs,
- '0', 'r', rect, texw, texh, params->filter_strength);
- add_scaler(YUV_CHROM_SCALER(type), &prog_pos, &prog_remain, chrom_scale_texs,
- '1', 'g', rect, texw / 2, texh / 2, params->filter_strength);
- add_scaler(YUV_CHROM_SCALER(type), &prog_pos, &prog_remain, chrom_scale_texs,
- '2', 'b', rect, texw / 2, texh / 2, params->filter_strength);
- get_yuv2rgb_coeffs(params, yuv2rgb);
- switch (YUV_CONVERSION(type)) {
- case YUV_CONVERSION_FRAGMENT:
- snprintf(prog_pos, prog_remain, yuv_prog_template,
- yuv2rgb[ROW_R][COL_Y], yuv2rgb[ROW_G][COL_Y], yuv2rgb[ROW_B][COL_Y],
- yuv2rgb[ROW_R][COL_U], yuv2rgb[ROW_G][COL_U], yuv2rgb[ROW_B][COL_U],
- yuv2rgb[ROW_R][COL_V], yuv2rgb[ROW_G][COL_V], yuv2rgb[ROW_B][COL_V],
- yuv2rgb[ROW_R][COL_C], yuv2rgb[ROW_G][COL_C], yuv2rgb[ROW_B][COL_C]);
- break;
- case YUV_CONVERSION_FRAGMENT_POW:
- snprintf(prog_pos, prog_remain, yuv_pow_prog_template,
- yuv2rgb[ROW_R][COL_Y], yuv2rgb[ROW_G][COL_Y], yuv2rgb[ROW_B][COL_Y],
- yuv2rgb[ROW_R][COL_U], yuv2rgb[ROW_G][COL_U], yuv2rgb[ROW_B][COL_U],
- yuv2rgb[ROW_R][COL_V], yuv2rgb[ROW_G][COL_V], yuv2rgb[ROW_B][COL_V],
- yuv2rgb[ROW_R][COL_C], yuv2rgb[ROW_G][COL_C], yuv2rgb[ROW_B][COL_C],
- (float)1.0 / params->rgamma, (float)1.0 / params->bgamma, (float)1.0 / params->bgamma);
- break;
- case YUV_CONVERSION_FRAGMENT_LOOKUP:
- snprintf(prog_pos, prog_remain, yuv_lookup_prog_template,
- yuv2rgb[ROW_R][COL_Y], yuv2rgb[ROW_G][COL_Y], yuv2rgb[ROW_B][COL_Y],
- yuv2rgb[ROW_R][COL_U], yuv2rgb[ROW_G][COL_U], yuv2rgb[ROW_B][COL_U],
- yuv2rgb[ROW_R][COL_V], yuv2rgb[ROW_G][COL_V], yuv2rgb[ROW_B][COL_V],
- yuv2rgb[ROW_R][COL_C], yuv2rgb[ROW_G][COL_C], yuv2rgb[ROW_B][COL_C],
- conv_texs[0], conv_texs[0], conv_texs[0]);
- break;
- case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
- snprintf(prog_pos, prog_remain, yuv_lookup3d_prog_template, conv_texs[0]);
- break;
- default:
- MSG_ERR("[gl] unknown conversion type %i\n", YUV_CONVERSION(type));
- break;
- }
- MSG_DBG2("[gl] generated fragment program:\n%s\n", yuv_prog);
- loadGPUProgram(GL_FRAGMENT_PROGRAM, yuv_prog);
- free(yuv_prog);
-}
-
-/**
- * \brief little helper function to create a lookup table for gamma
- * \param map buffer to create map into
- * \param size size of buffer
- * \param gamma gamma value
- */
-static void gen_gamma_map(unsigned char *map, int size, float gamma) {
- int i;
- if (gamma == 1.0) {
- for (i = 0; i < size; i++)
- map[i] = 255 * i / (size - 1);
- return;
- }
- gamma = 1.0 / gamma;
- for (i = 0; i < size; i++) {
- float tmp = (float)i / (size - 1.0);
- tmp = pow(tmp, gamma);
- if (tmp > 1.0) tmp = 1.0;
- if (tmp < 0.0) tmp = 0.0;
- map[i] = 255 * tmp;
- }
-}
-
-/**
- * \brief setup YUV->RGB conversion
- * \param parms struct containing parameters like conversion and scaler type,
- * brightness, ...
- * \ingroup glconversion
- */
-void glSetupYUVConversion(gl_conversion_params_t *params) {
- float uvcos = params->saturation * cos(params->hue);
- float uvsin = params->saturation * sin(params->hue);
- switch (YUV_CONVERSION(params->type)) {
- case YUV_CONVERSION_COMBINERS:
- glSetupYUVCombiners(uvcos, uvsin);
- break;
- case YUV_CONVERSION_COMBINERS_ATI:
- glSetupYUVCombinersATI(uvcos, uvsin);
- break;
- case YUV_CONVERSION_FRAGMENT_LOOKUP:
- case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
- case YUV_CONVERSION_FRAGMENT:
- case YUV_CONVERSION_FRAGMENT_POW:
- glSetupYUVFragprog(params);
- break;
- default:
- MSG_ERR("[gl] unknown conversion type %i\n", YUV_CONVERSION(params->type));
- }
-}
-
-/**
- * \brief enable the specified YUV conversion
- * \param target texture target for Y, U and V textures (e.g. GL_TEXTURE_2D)
- * \param type type of YUV conversion
- * \ingroup glconversion
- */
-void glEnableYUVConversion(GLenum target, int type) {
- if (type <= 0) return;
- switch (YUV_CONVERSION(type)) {
- case YUV_CONVERSION_COMBINERS:
- ActiveTexture(GL_TEXTURE1);
- glEnable(target);
- ActiveTexture(GL_TEXTURE2);
- glEnable(target);
- ActiveTexture(GL_TEXTURE0);
- glEnable(GL_REGISTER_COMBINERS_NV);
- break;
- case YUV_CONVERSION_COMBINERS_ATI:
- ActiveTexture(GL_TEXTURE1);
- glEnable(target);
- ActiveTexture(GL_TEXTURE2);
- glEnable(target);
- ActiveTexture(GL_TEXTURE0);
- glEnable(GL_FRAGMENT_SHADER_ATI);
- break;
- case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
- case YUV_CONVERSION_FRAGMENT_LOOKUP:
- case YUV_CONVERSION_FRAGMENT_POW:
- case YUV_CONVERSION_FRAGMENT:
- glEnable(GL_FRAGMENT_PROGRAM);
- break;
- }
-}
-
-/**
- * \brief disable the specified YUV conversion
- * \param target texture target for Y, U and V textures (e.g. GL_TEXTURE_2D)
- * \param type type of YUV conversion
- * \ingroup glconversion
- */
-void glDisableYUVConversion(GLenum target, int type) {
- if (type <= 0) return;
- switch (YUV_CONVERSION(type)) {
- case YUV_CONVERSION_COMBINERS:
- ActiveTexture(GL_TEXTURE1);
- glDisable(target);
- ActiveTexture(GL_TEXTURE2);
- glDisable(target);
- ActiveTexture(GL_TEXTURE0);
- glDisable(GL_REGISTER_COMBINERS_NV);
- break;
- case YUV_CONVERSION_COMBINERS_ATI:
- ActiveTexture(GL_TEXTURE1);
- glDisable(target);
- ActiveTexture(GL_TEXTURE2);
- glDisable(target);
- ActiveTexture(GL_TEXTURE0);
- glDisable(GL_FRAGMENT_SHADER_ATI);
- break;
- case YUV_CONVERSION_FRAGMENT_LOOKUP3D:
- case YUV_CONVERSION_FRAGMENT_LOOKUP:
- case YUV_CONVERSION_FRAGMENT_POW:
- case YUV_CONVERSION_FRAGMENT:
- glDisable(GL_FRAGMENT_PROGRAM);
- break;
- }
-}
-
-/**
- * \brief draw a texture part at given 2D coordinates
- * \param x screen top coordinate
- * \param y screen left coordinate
- * \param w screen width coordinate
- * \param h screen height coordinate
- * \param tx texture top coordinate in pixels
- * \param ty texture left coordinate in pixels
- * \param tw texture part width in pixels
- * \param th texture part height in pixels
- * \param sx width of texture in pixels
- * \param sy height of texture in pixels
- * \param rect_tex whether this texture uses texture_rectangle extension
- * \param is_yv12 if set, also draw the textures from units 1 and 2
- * \param flip flip the texture upside down
- * \ingroup gltexture
- */
-void glDrawTex(GLfloat x, GLfloat y, GLfloat w, GLfloat h,
- GLfloat tx, GLfloat ty, GLfloat tw, GLfloat th,
- int sx, int sy, int rect_tex, int is_yv12, int flip) {
- GLfloat tx2 = tx / 2, ty2 = ty / 2, tw2 = tw / 2, th2 = th / 2;
- if (!rect_tex) {
- tx /= sx; ty /= sy; tw /= sx; th /= sy;
- tx2 = tx, ty2 = ty, tw2 = tw, th2 = th;
- }
- if (flip) {
- y += h;
- h = -h;
- }
- glBegin(GL_QUADS);
- glTexCoord2f(tx, ty);
- if (is_yv12) {
- MultiTexCoord2f(GL_TEXTURE1, tx2, ty2);
- MultiTexCoord2f(GL_TEXTURE2, tx2, ty2);
- }
- glVertex2f(x, y);
- glTexCoord2f(tx, ty + th);
- if (is_yv12) {
- MultiTexCoord2f(GL_TEXTURE1, tx2, ty2 + th2);
- MultiTexCoord2f(GL_TEXTURE2, tx2, ty2 + th2);
- }
- glVertex2f(x, y + h);
- glTexCoord2f(tx + tw, ty + th);
- if (is_yv12) {
- MultiTexCoord2f(GL_TEXTURE1, tx2 + tw2, ty2 + th2);
- MultiTexCoord2f(GL_TEXTURE2, tx2 + tw2, ty2 + th2);
- }
- glVertex2f(x + w, y + h);
- glTexCoord2f(tx + tw, ty);
- if (is_yv12) {
- MultiTexCoord2f(GL_TEXTURE1, tx2 + tw2, ty2);
- MultiTexCoord2f(GL_TEXTURE2, tx2 + tw2, ty2);
- }
- glVertex2f(x + w, y);
- glEnd();
-}
-
-#ifdef GL_WIN32
-#include "w32_common.h"
-/**
- * \brief little helper since wglGetProcAddress definition does not fit our
- * getProcAddress
- * \param procName name of function to look up
- * \return function pointer returned by wglGetProcAddress
- */
-static void *w32gpa(const GLubyte *procName) {
- HMODULE oglmod;
- void *res = wglGetProcAddress(procName);
- if (res) return res;
- oglmod = GetModuleHandle("opengl32.dll");
- return GetProcAddress(oglmod, procName);
-}
-
-int setGlWindow(int *vinfo, HGLRC *context, HWND win)
-{
- int new_vinfo;
- HDC windc = vo_w32_get_dc(win);
- HGLRC new_context = 0;
- int keep_context = 0;
- int res = SET_WINDOW_FAILED;
-
- // should only be needed when keeping context, but not doing glFinish
- // can cause flickering even when we do not keep it.
- if (*context)
- glFinish();
- new_vinfo = GetPixelFormat(windc);
- if (*context && *vinfo && new_vinfo && *vinfo == new_vinfo) {
- // we can keep the wglContext
- new_context = *context;
- keep_context = 1;
- } else {
- // create a context
- new_context = wglCreateContext(windc);
- if (!new_context) {
- MSG_FATAL("[gl] Could not create GL context!\n");
- goto out;
- }
- }
-
- // set context
- if (!wglMakeCurrent(windc, new_context)) {
- MSG_FATAL("[gl] Could not set GL context!\n");
- if (!keep_context) {
- wglDeleteContext(new_context);
- }
- goto out;
- }
-
- // set new values
- vo_w32_window = win;
- {
- RECT rect;
- GetClientRect(win, &rect);
- vo_dwidth = rect.right;
- vo_dheight = rect.bottom;
- }
- if (!keep_context) {
- if (*context)
- wglDeleteContext(*context);
- *context = new_context;
- *vinfo = new_vinfo;
- getFunctions(w32gpa, NULL);
-
- // and inform that reinit is neccessary
- res = SET_WINDOW_REINIT;
- } else
- res = SET_WINDOW_OK;
-
-out:
- vo_w32_release_dc(win, windc);
- return res;
-}
-
-void releaseGlContext(int *vinfo, HGLRC *context) {
- *vinfo = 0;
- if (*context) {
- wglMakeCurrent(0, 0);
- wglDeleteContext(*context);
- }
- *context = 0;
-}
-
-void swapGlBuffers(void) {
- HDC vo_hdc = vo_w32_get_dc(vo_w32_window);
- SwapBuffers(vo_hdc);
- vo_w32_release_dc(vo_w32_window, vo_hdc);
-}
-#else
-#ifdef HAVE_LIBDL
-#include <dlfcn.h>
-#endif
-#include "x11_common.h"
-/**
- * \brief find address of a linked function
- * \param s name of function to find
- * \return address of function or NULL if not found
- */
-static void *getdladdr(const char *s) {
- void *ret = NULL;
-#ifdef HAVE_LIBDL
- void *handle = dlopen(NULL, RTLD_LAZY);
- if (!handle)
- return NULL;
- ret = dlsym(handle, s);
- dlclose(handle);
-#endif
- return ret;
-}
-
-/**
- * \brief Returns the XVisualInfo associated with Window win.
- * \param win Window whose XVisualInfo is returne.
- * \return XVisualInfo of the window. Caller must use XFree to free it.
- */
-static XVisualInfo *getWindowVisualInfo(Window win) {
- XWindowAttributes xw_attr;
- XVisualInfo vinfo_template;
- int tmp;
- XGetWindowAttributes(mDisplay, win, &xw_attr);
- vinfo_template.visualid = XVisualIDFromVisual(xw_attr.visual);
- return XGetVisualInfo(mDisplay, VisualIDMask, &vinfo_template, &tmp);
-}
-
-static void appendstr(char **dst, const char *str)
-{
- int newsize;
- char *newstr;
- if (!str)
- return;
- newsize = strlen(*dst) + 1 + strlen(str) + 1;
- newstr = realloc(*dst, newsize);
- if (!newstr)
- return;
- *dst = newstr;
- strcat(*dst, " ");
- strcat(*dst, str);
-}
-
-/**
- * \brief Changes the window in which video is displayed.
- * If possible only transfers the context to the new window, otherwise
- * creates a new one, which must be initialized by the caller.
- * \param vinfo Currently used visual.
- * \param context Currently used context.
- * \param win window that should be used for drawing.
- * \return one of SET_WINDOW_FAILED, SET_WINDOW_OK or SET_WINDOW_REINIT.
- * In case of SET_WINDOW_REINIT the context could not be transfered
- * and the caller must initialize it correctly.
- * \ingroup glcontext
- */
-int setGlWindow(XVisualInfo **vinfo, GLXContext *context, Window win)
-{
- XVisualInfo *new_vinfo;
- GLXContext new_context = NULL;
- int keep_context = 0;
-
- // should only be needed when keeping context, but not doing glFinish
- // can cause flickering even when we do not keep it.
- if (*context)
- glFinish();
- new_vinfo = getWindowVisualInfo(win);
- if (*context && *vinfo && new_vinfo &&
- (*vinfo)->visualid == new_vinfo->visualid) ...
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