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r600g: fix up depth write swizzles. 

For some reason r600c, emits extra instructions in the FP to do the depth write output swizzle,
I'm not sure this is required, so here I'm doing it in the exports.

this fixes the mesa trivial demos tri-depthwrite and tri-depthwrite2, it doesn't fix
the glsl1 gl_FragDepth writing test however.
This commit is contained in:
Dave Airlie 2010-08-31 16:13:03 +10:00
parent ad202678fc
commit b87b6e5bf7
1 changed files with 4 additions and 1 deletions
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5
src/gallium/drivers/r600/r600_shader.c
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@ -179,7 +179,8 @@ static int r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_context_sta
if (rshader->input[i].name == TGSI_SEMANTIC_POSITION)
have_pos = TRUE;
if (rshader->input[i].name == TGSI_SEMANTIC_COLOR ||
rshader->input[i].name == TGSI_SEMANTIC_BCOLOR) {
rshader->input[i].name == TGSI_SEMANTIC_BCOLOR ||
rshader->input[i].name == TGSI_SEMANTIC_POSITION) {
tmp |= S_028644_FLAT_SHADE(rshader->flat_shade);
}
if (rasterizer->sprite_coord_enable & (1 << i)) {
@ -503,6 +504,8 @@ int r600_shader_from_tgsi(const struct tgsi_token *tokens, struct r600_shader *s
output[i].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_PIXEL;
} else if (shader->output[i].name == TGSI_SEMANTIC_POSITION) {
output[i].array_base = 61;
output[i].swizzle_x = 2;
output[i].swizzle_y = output[i].swizzle_z = output[i].swizzle_w = 7;
output[i].type = V_SQ_CF_ALLOC_EXPORT_WORD0_SQ_EXPORT_PIXEL;
} else {
R600_ERR("unsupported fragment output name %d\n", shader->output[i].name);