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glamor_gles2: Use gl_flavor to determine which version of GL.

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Signed-off-by: Zhigang Gong <zhigang.gong@gmail.com>
This commit is contained in:
Zhigang Gong 2011-08-09 09:59:56 -04:00 committed by Zhigang Gong
parent 29e358f6b3
commit 36a93f62c7
2 changed files with 44 additions and 10 deletions
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6
glamor/glamor.c
View File

@ -379,6 +379,12 @@ glamor_init(ScreenPtr screen, unsigned int flags)
glamor_glyphs_init(screen);
glamor_pixmap_init(screen);
#ifdef GLAMOR_GLES2
glamor_priv->gl_flavor = GLAMOR_GL_ES2;
#else
glamor_priv->gl_flavor = GLAMOR_GL_DESKTOP;
#endif
return TRUE;
fail:

48
glamor/glamor_pixmap.c
View File

@ -213,6 +213,7 @@ static void
__glamor_upload_pixmap_to_texture(PixmapPtr pixmap, GLenum format, GLenum type, GLuint tex)
{
glamor_pixmap_private *pixmap_priv = glamor_get_pixmap_private(pixmap);
glamor_screen_private *glamor_priv = glamor_get_screen_private(pixmap->drawable.pScreen);
unsigned int stride, row_length;
void *texels;
GLenum iformat;
@ -229,15 +230,24 @@ __glamor_upload_pixmap_to_texture(PixmapPtr pixmap, GLenum format, GLenum type,
break;
}
if (glamor_priv->gl_flavor == GLAMOR_GL_ES2) {
iformat = format;
type = GL_UNSIGNED_BYTE;
}
stride = pixmap->devKind;
row_length = (stride * 8) / pixmap->drawable.bitsPerPixel;
glBindTexture(GL_TEXTURE_2D, tex);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
#ifndef GLAMOR_GLES2
glPixelStorei(GL_UNPACK_ROW_LENGTH, row_length);
#endif
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
glPixelStorei(GL_UNPACK_ROW_LENGTH, row_length);
}
else {
glPixelStorei(GL_UNPACK_ALIGNMENT, 4);
}
if (pixmap_priv->pbo && pixmap_priv->pbo_valid) {
texels = NULL;
glBindBuffer(GL_PIXEL_UNPACK_BUFFER, pixmap_priv->pbo);
@ -524,15 +534,26 @@ glamor_download_pixmap_to_cpu(PixmapPtr pixmap, glamor_access_t access)
ErrorF("Glamor: Invalid access code. %d\n", access);
assert(0);
}
if (glamor_priv->gl_flavor == GLAMOR_GL_ES2)
data = malloc(stride * pixmap->drawable.height);
row_length = (stride * 8) / pixmap->drawable.bitsPerPixel;
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_PACK_ROW_LENGTH, row_length);
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
glPixelStorei(GL_PACK_ALIGNMENT, 1);
glPixelStorei(GL_PACK_ROW_LENGTH, row_length);
}
else {
glPixelStorei(GL_PACK_ALIGNMENT, 4);
// glPixelStorei(GL_PACK_ROW_LENGTH, 0);
}
if (GLEW_MESA_pack_invert || glamor_priv->yInverted) {
if (!glamor_priv->yInverted)
if (!glamor_priv->yInverted) {
assert(glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP);
glPixelStorei(GL_PACK_INVERT_MESA, 1);
}
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
if (pixmap_priv->pbo == 0)
glGenBuffers (1, &pixmap_priv->pbo);
glBindBuffer (GL_PIXEL_PACK_BUFFER, pixmap_priv->pbo);
@ -545,9 +566,16 @@ glamor_download_pixmap_to_cpu(PixmapPtr pixmap, glamor_access_t access)
data = glMapBuffer (GL_PIXEL_PACK_BUFFER, gl_access);
pixmap_priv->pbo_valid = TRUE;
if (!glamor_priv->yInverted)
if (!glamor_priv->yInverted) {
assert(glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP);
glPixelStorei(GL_PACK_INVERT_MESA, 0);
}
glBindBuffer (GL_PIXEL_PACK_BUFFER, 0);
} else {
glReadPixels (0, 0,
row_length, pixmap->drawable.height,
format, type, data);
}
} else {
data = malloc(stride * pixmap->drawable.height);
assert(data);
@ -588,7 +616,7 @@ _glamor_destroy_upload_pixmap(PixmapPtr pixmap)
assert(pixmap_priv->gl_fbo == 0);
if (pixmap_priv->fb)
glDeleteFramebuffersEXT(1, &pixmap_priv->fb);
glDeleteFramebuffers(1, &pixmap_priv->fb);
if (pixmap_priv->tex)
glDeleteTextures(1, &pixmap_priv->tex);
if (pixmap_priv->pbo)