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authorJosé Fonseca <jfonseca@vmware.com>2010-01-31 05:36:33 +0000
committerJosé Fonseca <jfonseca@vmware.com>2010-01-31 05:36:33 +0000
commitbee9964b29b2428ee75e2d1efc0e1d2c2518a417 (patch)
treefd733f886743b31f2ac2727e57f05d1a0918a977 /src/mesa/swrast/s_fragprog.c
parent36a0819ff4ede1af91dcf909106cf20659856384 (diff)
parent12eb32e34244db9923cacaaed9ba951b7ac274a4 (diff)
Merge remote branch 'origin/master' into lp-binning
Conflicts: Makefile src/gallium/auxiliary/util/u_surface.c src/gallium/drivers/llvmpipe/lp_flush.c src/gallium/drivers/llvmpipe/lp_setup.c src/gallium/drivers/llvmpipe/lp_state_derived.c src/gallium/drivers/llvmpipe/lp_state_fs.c src/gallium/drivers/llvmpipe/lp_state_surface.c src/gallium/drivers/llvmpipe/lp_tex_cache.c src/gallium/drivers/llvmpipe/lp_texture.c src/gallium/drivers/llvmpipe/lp_tile_cache.c src/mesa/state_tracker/st_cb_condrender.c
Diffstat (limited to 'src/mesa/swrast/s_fragprog.c')
-rw-r--r--src/mesa/swrast/s_fragprog.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c
index 9ac33a26a6..d31da4c402 100644
--- a/src/mesa/swrast/s_fragprog.c
+++ b/src/mesa/swrast/s_fragprog.c
@@ -144,12 +144,22 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine,
const struct gl_fragment_program *program,
const SWspan *span, GLuint col)
{
+ GLfloat *wpos = span->array->attribs[FRAG_ATTRIB_WPOS][col];
+
if (program->Base.Target == GL_FRAGMENT_PROGRAM_NV) {
/* Clear temporary registers (undefined for ARB_f_p) */
_mesa_bzero(machine->Temporaries,
MAX_PROGRAM_TEMPS * 4 * sizeof(GLfloat));
}
+ /* ARB_fragment_coord_conventions */
+ if (program->OriginUpperLeft)
+ wpos[1] = ctx->DrawBuffer->Height - 1 - wpos[1];
+ if (!program->PixelCenterInteger) {
+ wpos[0] += 0.5F;
+ wpos[1] += 0.5F;
+ }
+
/* Setup pointer to input attributes */
machine->Attribs = span->array->attribs;
@@ -162,7 +172,7 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine,
/* if running a GLSL program (not ARB_fragment_program) */
if (ctx->Shader.CurrentProgram) {
/* Store front/back facing value */
- machine->Attribs[FRAG_ATTRIB_FACE][col][0] = 1.0 - span->facing;
+ machine->Attribs[FRAG_ATTRIB_FACE][col][0] = 1.0F - span->facing;
}
machine->CurElement = col;