void
intelDrawPixels(struct gl_context * ctx,
GLint x, GLint y,
GLsizei width, GLsizei height,
GLenum format,
GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid * pixels)
{
struct brw_context *brw = brw_context(ctx);
if (!_mesa_check_conditional_render(ctx))
return;
if (format == GL_STENCIL_INDEX) {
_swrast_DrawPixels(ctx, x, y, width, height, format, type,
unpack, pixels);
return;
}
if (_mesa_is_bufferobj(unpack->BufferObj)) {
if (do_blit_drawpixels(ctx, x, y, width, height, format, type, unpack,
pixels)) {
return;
}
perf_debug("%s: fallback to generic code in PBO case\n", __FUNCTION__);
}
_mesa_meta_DrawPixels(ctx, x, y, width, height, format, type,
unpack, pixels);
}
static void
mgaDDDrawPixels( GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels )
{
if (!mgaTryDrawPixels( ctx, x, y, width, height, format, type,
unpack, pixels ))
_swrast_DrawPixels( ctx, x, y, width, height, format, type,
unpack, pixels );
}
static void
intelDrawPixels( GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels )
{
if (INTEL_DEBUG & DEBUG_PIXEL)
fprintf(stderr, "%s\n", __FUNCTION__);
if (intelTryDrawPixels( ctx, x, y, width, height, format, type,
unpack, pixels ))
return;
if (ctx->FragmentProgram._Current == ctx->FragmentProgram._TexEnvProgram) {
/*
* We don't want the i915 texenv program to be applied to DrawPixels.
* This is really just a performance optimization (mesa will other-
* wise happily run the fragment program on each pixel in the image).
*/
struct gl_fragment_program *fpSave = ctx->FragmentProgram._Current;
/* can't just set current frag prog to 0 here as on buffer resize
we'll get new state checks which will segfault. Remains a hack. */
ctx->FragmentProgram._Current = NULL;
ctx->FragmentProgram._UseTexEnvProgram = GL_FALSE;
ctx->FragmentProgram._Active = GL_FALSE;
_swrast_DrawPixels( ctx, x, y, width, height, format, type,
unpack, pixels );
ctx->FragmentProgram._Current = fpSave;
ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE;
ctx->FragmentProgram._Active = GL_TRUE;
}
else {
_swrast_DrawPixels( ctx, x, y, width, height, format, type,
unpack, pixels );
}
}
static void
r200DrawPixels( GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels )
{
if (R200_DEBUG & DEBUG_PIXEL)
fprintf(stderr, "%s\n", __FUNCTION__);
if (!r200TryDrawPixels( ctx, x, y, width, height, format, type,
unpack, pixels ))
_swrast_DrawPixels( ctx, x, y, width, height, format, type,
unpack, pixels );
}
void
intelDrawPixels(GLcontext * ctx,
GLint x, GLint y,
GLsizei width, GLsizei height,
GLenum format,
GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid * pixels)
{
if (do_blit_drawpixels(ctx, x, y, width, height, format, type,
unpack, pixels))
return;
if (do_texture_drawpixels(ctx, x, y, width, height, format, type,
unpack, pixels))
return;
if (INTEL_DEBUG & DEBUG_PIXEL)
_mesa_printf("%s: fallback to swrast\n", __FUNCTION__);
_swrast_DrawPixels(ctx, x, y, width, height, format, type, unpack, pixels);
}
