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etnaviv: shader: Apply output remapping

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The mapping between fragment shader output and and render target is not
fixed and depends on the framebuffer state. Apply the mapping during the
linking of the shaders.

Signed-off-by: Christian Gmeiner <cgmeiner@igalia.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26565>
This commit is contained in:
Christian Gmeiner 2023-11-28 15:04:24 +01:00 • committed by Marge Bot
parent d3a5306b91
commit 9a082ae142
1 changed files with 14 additions and 8 deletions
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22
src/gallium/drivers/etnaviv/etnaviv_shader.c
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@ -191,17 +191,23 @@ etna_link_shaders(struct etna_context *ctx, struct compiled_shader_state *cs,
cs->PS_END_PC = fs->code_size / 4;
/* apply output remapping based on current framebuffer state */
int ps_color_out_reg[PIPE_MAX_COLOR_BUFS];
for (unsigned i = 0; i < ARRAY_SIZE(ctx->framebuffer.ps_output_remap); i++)
ps_color_out_reg[i] = fs->ps_color_out_reg[ctx->framebuffer.ps_output_remap[i]];
cs->PS_OUTPUT_REG[0] =
VIVS_PS_OUTPUT_REG_0(fs->ps_color_out_reg[0]) |
VIVS_PS_OUTPUT_REG_1(fs->ps_color_out_reg[1]) |
VIVS_PS_OUTPUT_REG_2(fs->ps_color_out_reg[2]) |
VIVS_PS_OUTPUT_REG_3(fs->ps_color_out_reg[3]);
VIVS_PS_OUTPUT_REG_0(ps_color_out_reg[0]) |
VIVS_PS_OUTPUT_REG_1(ps_color_out_reg[1]) |
VIVS_PS_OUTPUT_REG_2(ps_color_out_reg[2]) |
VIVS_PS_OUTPUT_REG_3(ps_color_out_reg[3]);
cs->PS_OUTPUT_REG[1] =
VIVS_PS_OUTPUT_REG2_4(fs->ps_color_out_reg[4]) |
VIVS_PS_OUTPUT_REG2_5(fs->ps_color_out_reg[5]) |
VIVS_PS_OUTPUT_REG2_6(fs->ps_color_out_reg[6]) |
VIVS_PS_OUTPUT_REG2_7(fs->ps_color_out_reg[7]);
VIVS_PS_OUTPUT_REG2_4(ps_color_out_reg[4]) |
VIVS_PS_OUTPUT_REG2_5(ps_color_out_reg[5]) |
VIVS_PS_OUTPUT_REG2_6(ps_color_out_reg[6]) |
VIVS_PS_OUTPUT_REG2_7(ps_color_out_reg[7]);
cs->PS_INPUT_COUNT =
VIVS_PS_INPUT_COUNT_COUNT(link.num_varyings + 1) | /* Number of inputs plus position */