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r300g: Don't write non-existent bit on non-r500.

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Might help with compiz being funky with MRTs.
This commit is contained in:
Corbin Simpson
2010-02-09 13:53:30 -08:00
parent 67b60b9934
commit 8c85002951
1 changed files with 11 additions and 4 deletions
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src/gallium/drivers/r300/r300_emit.c
+11 -4
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@@ -381,6 +381,7 @@ void r500_emit_fs_constant_buffer(struct r300_context* r300,
void r300_emit_fb_state(struct r300_context* r300, void* state)
{
struct pipe_framebuffer_state* fb = (struct pipe_framebuffer_state*)state;
struct r300_screen* r300screen = r300_screen(r300->context.screen);
struct r300_texture* tex;
struct pipe_surface* surf;
int i;
@@ -399,10 +400,16 @@ void r300_emit_fb_state(struct r300_context* r300, void* state)
/* Set the number of colorbuffers. */
if (fb->nr_cbufs > 1) {
OUT_CS_REG(R300_RB3D_CCTL,
R300_RB3D_CCTL_NUM_MULTIWRITES(fb->nr_cbufs) |
R300_RB3D_CCTL_INDEPENDENT_COLOR_CHANNEL_MASK_ENABLE |
R300_RB3D_CCTL_INDEPENDENT_COLORFORMAT_ENABLE_ENABLE);
if (r300screen->caps->is_r500) {
OUT_CS_REG(R300_RB3D_CCTL,
R300_RB3D_CCTL_NUM_MULTIWRITES(fb->nr_cbufs) |
R300_RB3D_CCTL_INDEPENDENT_COLORFORMAT_ENABLE_ENABLE |
R300_RB3D_CCTL_INDEPENDENT_COLOR_CHANNEL_MASK_ENABLE);
} else {
OUT_CS_REG(R300_RB3D_CCTL,
R300_RB3D_CCTL_NUM_MULTIWRITES(fb->nr_cbufs) |
R300_RB3D_CCTL_INDEPENDENT_COLORFORMAT_ENABLE_ENABLE);
}
} else {
OUT_CS_REG(R300_RB3D_CCTL, 0x0);
}