diff options
| author | Maciej Cencora <m.cencora@gmail.com> | 2009-04-24 16:15:19 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2009-04-27 19:07:50 +1000 |
| commit | d014d7d1bb33592f89fb08e8b656c27d67f9a3d3 (patch) | |
| tree | f0dce7a6672bb681d1453f3260745f847dfcd23a /src/mesa/drivers/dri/r300/r300_swtcl.c | |
| parent | 22c0652c381e6773ff48e4c70ef5439a949919ae (diff) | |
r300: always route 4 texcoord components to RS
Routing <4 components may lead to lock up.
Thanks to Alex Deucher for suggestion.
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_swtcl.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_swtcl.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_swtcl.c b/src/mesa/drivers/dri/r300/r300_swtcl.c index 55187d4bc8..fc849889b6 100644 --- a/src/mesa/drivers/dri/r300/r300_swtcl.c +++ b/src/mesa/drivers/dri/r300/r300_swtcl.c @@ -204,34 +204,31 @@ static void r300SetVertexFormat( GLcontext *ctx ) ADD_ATTR(VERT_ATTRIB_POINT_SIZE, EMIT_1F, SWTCL_OVM_POINT_SIZE, swiz, MASK_X); } + /** + * Sending only one texcoord component may lead to lock up, + * so for all textures always output 4 texcoord components to RS. + */ if (RENDERINPUTS_TEST_RANGE(tnl->render_inputs_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) { - int i, size; - GLuint swiz, mask, format; + int i; + GLuint swiz, format; for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, _TNL_ATTRIB_TEX(i) )) { switch (VB->TexCoordPtr[i]->size) { case 1: format = EMIT_1F; swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_ZERO, SWIZZLE_ZERO, SWIZZLE_ONE); - mask = MASK_X; break; case 2: format = EMIT_2F; swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_ZERO, SWIZZLE_ONE); - mask = MASK_X | MASK_Y; - size = 2; break; case 3: format = EMIT_3F; swiz = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_ONE); - mask = MASK_X | MASK_Y | MASK_Z; - size = 3; break; case 4: format = EMIT_4F; swiz = SWIZZLE_XYZW; - mask = MASK_XYZW; - size = 4; break; default: continue; @@ -239,8 +236,8 @@ static void r300SetVertexFormat( GLcontext *ctx ) InputsRead |= 1 << (VERT_ATTRIB_TEX0 + i); OutputsWritten |= 1 << (VERT_RESULT_TEX0 + i); EMIT_ATTR(_TNL_ATTRIB_TEX(i), format); - ADD_ATTR(VERT_ATTRIB_TEX0 + i, format, SWTCL_OVM_TEX(i), swiz, mask); - vap_out_fmt_1 |= size << (i * 3); + ADD_ATTR(VERT_ATTRIB_TEX0 + i, format, SWTCL_OVM_TEX(i), swiz, MASK_XYZW); + vap_out_fmt_1 |= 4 << (i * 3); ++first_free_tex; } } |