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https://github.com/mpv-player/mpv
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Use a fallback to make sure the basic OpenGL functions are available instead of
initializing them which does not work well with reinitializations. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@29984 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
reimar
parent
c13aaf85d1
commit
80981cd2d0
@ -35,46 +35,46 @@
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#include "gl_common.h"
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#include "libavutil/common.h"
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void (GLAPIENTRY *Begin)(GLenum) = glBegin;
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void (GLAPIENTRY *End)(void) = glEnd;
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void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei) = glViewport;
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void (GLAPIENTRY *MatrixMode)(GLenum) = glMatrixMode;
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void (GLAPIENTRY *LoadIdentity)(void) = glLoadIdentity;
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void (GLAPIENTRY *Scaled)(double, double, double) = glScaled;
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void (GLAPIENTRY *Ortho)(double, double, double, double, double, double) = glOrtho;
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void (GLAPIENTRY *PushMatrix)(void) = glPushMatrix;
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void (GLAPIENTRY *PopMatrix)(void) = glPopMatrix;
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void (GLAPIENTRY *Clear)(GLbitfield) = glClear;
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GLuint (GLAPIENTRY *GenLists)(GLsizei) = glGenLists;
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void (GLAPIENTRY *DeleteLists)(GLuint, GLsizei) = glDeleteLists;
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void (GLAPIENTRY *NewList)(GLuint, GLenum) = glNewList;
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void (GLAPIENTRY *EndList)(void) = glEndList;
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void (GLAPIENTRY *CallList)(GLuint) = glCallList;
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void (GLAPIENTRY *CallLists)(GLsizei, GLenum, const GLvoid *) = glCallLists;
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void (GLAPIENTRY *GenTextures)(GLsizei, GLuint *) = glGenTextures;
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void (GLAPIENTRY *DeleteTextures)(GLsizei, const GLuint *) = glDeleteTextures;
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void (GLAPIENTRY *TexEnvi)(GLenum, GLenum, GLint) = glTexEnvi;
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void (GLAPIENTRY *Color4ub)(GLubyte, GLubyte, GLubyte, GLubyte) = glColor4ub;
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void (GLAPIENTRY *Color3f)(GLfloat, GLfloat, GLfloat) = glColor3f;
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void (GLAPIENTRY *ClearColor)(GLclampf, GLclampf, GLclampf, GLclampf) = glClearColor;
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void (GLAPIENTRY *Enable)(GLenum) = glEnable;
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void (GLAPIENTRY *Disable)(GLenum) = glDisable;
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const GLubyte *(GLAPIENTRY *GetString)(GLenum) = glGetString;
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void (GLAPIENTRY *DrawBuffer)(GLenum) = glDrawBuffer;
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void (GLAPIENTRY *DepthMask)(GLboolean) = glDepthMask;
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void (GLAPIENTRY *BlendFunc)(GLenum, GLenum) = glBlendFunc;
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void (GLAPIENTRY *Flush)(void) = glFlush;
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void (GLAPIENTRY *Finish)(void) = glFinish;
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void (GLAPIENTRY *PixelStorei)(GLenum, GLint) = glPixelStorei;
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void (GLAPIENTRY *TexImage1D)(GLenum, GLint, GLint, GLsizei, GLint, GLenum, GLenum, const GLvoid *) = glTexImage1D;
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void (GLAPIENTRY *TexImage2D)(GLenum, GLint, GLint, GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid *) = glTexImage2D;
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void (GLAPIENTRY *TexSubImage2D)(GLenum, GLint, GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, const GLvoid *) = glTexSubImage2D;
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void (GLAPIENTRY *TexParameteri)(GLenum, GLenum, GLint) = glTexParameteri;
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void (GLAPIENTRY *TexParameterf)(GLenum, GLenum, GLfloat) = glTexParameterf;
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void (GLAPIENTRY *TexParameterfv)(GLenum, GLenum, const GLfloat *) = glTexParameterfv;
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void (GLAPIENTRY *TexCoord2f)(GLfloat, GLfloat) = glTexCoord2f;
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void (GLAPIENTRY *Vertex2f)(GLfloat, GLfloat) = glVertex2f;
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void (GLAPIENTRY *GetIntegerv)(GLenum, GLint *) = glGetIntegerv;
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void (GLAPIENTRY *Begin)(GLenum);
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void (GLAPIENTRY *End)(void);
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void (GLAPIENTRY *Viewport)(GLint, GLint, GLsizei, GLsizei);
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void (GLAPIENTRY *MatrixMode)(GLenum);
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void (GLAPIENTRY *LoadIdentity)(void);
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void (GLAPIENTRY *Scaled)(double, double, double);
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void (GLAPIENTRY *Ortho)(double, double, double, double, double, double);
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void (GLAPIENTRY *PushMatrix)(void);
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void (GLAPIENTRY *PopMatrix)(void);
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void (GLAPIENTRY *Clear)(GLbitfield);
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GLuint (GLAPIENTRY *GenLists)(GLsizei);
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void (GLAPIENTRY *DeleteLists)(GLuint, GLsizei);
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void (GLAPIENTRY *NewList)(GLuint, GLenum);
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void (GLAPIENTRY *EndList)(void);
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void (GLAPIENTRY *CallList)(GLuint);
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void (GLAPIENTRY *CallLists)(GLsizei, GLenum, const GLvoid *);
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void (GLAPIENTRY *GenTextures)(GLsizei, GLuint *);
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void (GLAPIENTRY *DeleteTextures)(GLsizei, const GLuint *);
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void (GLAPIENTRY *TexEnvi)(GLenum, GLenum, GLint);
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void (GLAPIENTRY *Color4ub)(GLubyte, GLubyte, GLubyte, GLubyte);
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void (GLAPIENTRY *Color3f)(GLfloat, GLfloat, GLfloat);
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void (GLAPIENTRY *ClearColor)(GLclampf, GLclampf, GLclampf, GLclampf);
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void (GLAPIENTRY *Enable)(GLenum);
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void (GLAPIENTRY *Disable)(GLenum);
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const GLubyte *(GLAPIENTRY *GetString)(GLenum);
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void (GLAPIENTRY *DrawBuffer)(GLenum);
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void (GLAPIENTRY *DepthMask)(GLboolean);
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void (GLAPIENTRY *BlendFunc)(GLenum, GLenum);
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void (GLAPIENTRY *Flush)(void);
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void (GLAPIENTRY *Finish)(void);
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void (GLAPIENTRY *PixelStorei)(GLenum, GLint);
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void (GLAPIENTRY *TexImage1D)(GLenum, GLint, GLint, GLsizei, GLint, GLenum, GLenum, const GLvoid *);
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void (GLAPIENTRY *TexImage2D)(GLenum, GLint, GLint, GLsizei, GLsizei, GLint, GLenum, GLenum, const GLvoid *);
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void (GLAPIENTRY *TexSubImage2D)(GLenum, GLint, GLint, GLint, GLsizei, GLsizei, GLenum, GLenum, const GLvoid *);
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void (GLAPIENTRY *TexParameteri)(GLenum, GLenum, GLint);
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void (GLAPIENTRY *TexParameterf)(GLenum, GLenum, GLfloat);
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void (GLAPIENTRY *TexParameterfv)(GLenum, GLenum, const GLfloat *);
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void (GLAPIENTRY *TexCoord2f)(GLfloat, GLfloat);
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void (GLAPIENTRY *Vertex2f)(GLfloat, GLfloat);
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void (GLAPIENTRY *GetIntegerv)(GLenum, GLint *);
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/**
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* \defgroup glextfunctions OpenGL extension functions
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@ -329,9 +329,10 @@ typedef struct {
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void *funcptr;
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const char *extstr;
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const char *funcnames[7];
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void *fallback;
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} extfunc_desc_t;
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#define DEF_FUNC_DESC(name) {&name, NULL, {"gl"#name, NULL}}
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#define DEF_FUNC_DESC(name) {&name, NULL, {"gl"#name, NULL}, gl ##name}
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static const extfunc_desc_t extfuncs[] = {
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// these aren't extension functions but we query them anyway to allow
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// different "backends" with one binary
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@ -359,7 +360,6 @@ static const extfunc_desc_t extfuncs[] = {
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DEF_FUNC_DESC(ClearColor),
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DEF_FUNC_DESC(Enable),
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DEF_FUNC_DESC(Disable),
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DEF_FUNC_DESC(GetString),
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DEF_FUNC_DESC(DrawBuffer),
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DEF_FUNC_DESC(DepthMask),
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DEF_FUNC_DESC(BlendFunc),
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@ -417,8 +417,18 @@ static const extfunc_desc_t extfuncs[] = {
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static void getFunctions(void *(*getProcAddress)(const GLubyte *),
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const char *ext2) {
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const extfunc_desc_t *dsc;
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const char *extensions = (const char *)GetString(GL_EXTENSIONS);
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const char *extensions;
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char *allexts;
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if (!getProcAddress)
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getProcAddress = setNull;
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// special case, we need glGetString before starting to find the other functions
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GetString = getProcAddress("glGetString");
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if (!GetString)
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GetString = glGetString;
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extensions = (const char *)GetString(GL_EXTENSIONS);
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if (!extensions) extensions = "";
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if (!ext2) ext2 = "";
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allexts = malloc(strlen(extensions) + strlen(ext2) + 2);
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@ -426,8 +436,6 @@ static void getFunctions(void *(*getProcAddress)(const GLubyte *),
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strcat(allexts, " ");
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strcat(allexts, ext2);
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mp_msg(MSGT_VO, MSGL_DBG2, "OpenGL extensions string:\n%s\n", allexts);
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if (!getProcAddress)
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getProcAddress = setNull;
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for (dsc = extfuncs; dsc->funcptr; dsc++) {
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void *ptr = NULL;
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int i;
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@ -435,6 +443,8 @@ static void getFunctions(void *(*getProcAddress)(const GLubyte *),
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for (i = 0; !ptr && dsc->funcnames[i]; i++)
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ptr = getProcAddress((const GLubyte *)dsc->funcnames[i]);
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}
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if (!ptr)
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ptr = dsc->fallback;
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*(void **)dsc->funcptr = ptr;
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}
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if (strstr(allexts, "_texture_float"))
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