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eglglessink: Decouple texture and vertex positions

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This commit is contained in:
Sebastian Dröge 2012-09-21 12:45:29 +02:00
parent cb034b2ecd
commit dafcdb0da3
2 changed files with 43 additions and 5 deletions
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33
ext/eglgles/gsteglglessink.c
View file

@ -139,7 +139,8 @@ static PFNGLEGLIMAGETARGETTEXTURE2DOESPROC my_glEGLImageTargetTexture2DOES;
/* *INDENT-OFF* */
static const char *vert_COPY_prog = {
"attribute vec3 position;"
"attribute vec3 position;"
"attribute vec2 texpos;"
"varying vec2 opos;"
"void main(void)"
"{"
@ -1151,12 +1152,25 @@ gst_eglglessink_setup_vbo (GstEglGlesSink * eglglessink, gboolean reset)
eglglessink->coordarray[3].y = -1;
eglglessink->coordarray[3].z = 0;
eglglessink->texarray[0].x = 1;
eglglessink->texarray[0].y = 1;
eglglessink->texarray[1].x = 1;
eglglessink->texarray[1].y = -1;
eglglessink->texarray[2].x = -1;
eglglessink->texarray[2].y = 1;
eglglessink->texarray[3].x = -1;
eglglessink->texarray[3].y = -1;
eglglessink->indexarray[0] = 0;
eglglessink->indexarray[1] = 1;
eglglessink->indexarray[2] = 2;
eglglessink->indexarray[3] = 3;
glGenBuffers (1, &eglglessink->vdata);
glGenBuffers (1, &eglglessink->tdata);
glGenBuffers (1, &eglglessink->idata);
if (got_gl_error ("glGenBuffers"))
goto HANDLE_ERROR_LOCKED;
@ -1178,6 +1192,23 @@ gst_eglglessink_setup_vbo (GstEglGlesSink * eglglessink, gboolean reset)
if (got_gl_error ("glEnableVertexAttribArray"))
goto HANDLE_ERROR_LOCKED;
glBindBuffer (GL_ARRAY_BUFFER, eglglessink->tdata);
if (got_gl_error ("glBindBuffer tdata"))
goto HANDLE_ERROR_LOCKED;
glBufferData (GL_ARRAY_BUFFER, sizeof (eglglessink->texarray),
eglglessink->texarray, GL_STATIC_DRAW);
if (got_gl_error ("glBufferData tdata"))
goto HANDLE_ERROR_LOCKED;
glVertexAttribPointer (1, 2, GL_FLOAT, GL_FALSE, 0, 0);
if (got_gl_error ("glVertexAttribPointer"))
goto HANDLE_ERROR_LOCKED;
glEnableVertexAttribArray (1);
if (got_gl_error ("glEnableVertexAttribArray"))
goto HANDLE_ERROR_LOCKED;
glBindBuffer (GL_ELEMENT_ARRAY_BUFFER, eglglessink->idata);
if (got_gl_error ("glBindBuffer idata"))
goto HANDLE_ERROR_LOCKED;

15
ext/eglgles/gsteglglessink.h
View file

@ -87,12 +87,18 @@ typedef enum {
GST_EGLGLESSINK_RENDER_FAST
} GstEglGlesSinkRenderingPath;
typedef struct _coord
typedef struct _coord2
{
float x;
float y;
} coord2;
typedef struct _coord3
{
float x;
float y;
float z;
} coord;
} coord3;
struct _GstEglGlesImageFmt
{
@ -150,9 +156,10 @@ struct _GstEglGlesSink
GstEglGlesSinkRenderingPath rendering_path;
/* shader vars */
coord coordarray[4];
coord3 coordarray[4];
coord2 texarray[4];
unsigned short indexarray[4];
unsigned int vdata, idata;
unsigned int vdata, tdata, idata;
/* props */
gboolean silent;