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amd/common: Introduce ac_get_fs_input_vgpr_cnt.

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Add a function called ac_get_fs_input_vgpr_cnt which will return
the number of input VGPRs used by an AMD shader. Previously,
radv and radeonsi had the same code duplicated, but this commit also
allows them to share this code.

Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Timur Kristóf
2019-09-25 16:40:07 +02:00
committed by Connor Abbott
parent 83eebdb507
commit a4fd8ba7e3
4 changed files with 63 additions and 73 deletions
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34
src/amd/vulkan/radv_shader.c
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@@ -663,39 +663,7 @@ static void radv_postprocess_config(const struct radv_physical_device *pdevice,
unsigned num_input_vgprs = info->num_input_vgprs;
if (stage == MESA_SHADER_FRAGMENT) {
num_input_vgprs = 0;
if (G_0286CC_PERSP_SAMPLE_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 2;
if (G_0286CC_PERSP_CENTER_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 2;
if (G_0286CC_PERSP_CENTROID_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 2;
if (G_0286CC_PERSP_PULL_MODEL_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 3;
if (G_0286CC_LINEAR_SAMPLE_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 2;
if (G_0286CC_LINEAR_CENTER_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 2;
if (G_0286CC_LINEAR_CENTROID_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 2;
if (G_0286CC_LINE_STIPPLE_TEX_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 1;
if (G_0286CC_POS_X_FLOAT_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 1;
if (G_0286CC_POS_Y_FLOAT_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 1;
if (G_0286CC_POS_Z_FLOAT_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 1;
if (G_0286CC_POS_W_FLOAT_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 1;
if (G_0286CC_FRONT_FACE_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 1;
if (G_0286CC_ANCILLARY_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 1;
if (G_0286CC_SAMPLE_COVERAGE_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 1;
if (G_0286CC_POS_FIXED_PT_ENA(config_in->spi_ps_input_addr))
num_input_vgprs += 1;
num_input_vgprs = ac_get_fs_input_vgpr_cnt(config_in, NULL, NULL);
}
unsigned num_vgprs = MAX2(config_in->num_vgprs, num_input_vgprs);