diff options
| -rw-r--r-- | src/gallium/drivers/svga/svga_shader.c | 43 |
1 files changed, 30 insertions, 13 deletions
diff --git a/src/gallium/drivers/svga/svga_shader.c b/src/gallium/drivers/svga/svga_shader.c index 795531773bf..d069b0d29c4 100644 --- a/src/gallium/drivers/svga/svga_shader.c +++ b/src/gallium/drivers/svga/svga_shader.c @@ -31,7 +31,6 @@ #include "svga_format.h" #include "svga_shader.h" #include "svga_resource_texture.h" -#include "svga3d_surfacedefs.h" /** @@ -163,6 +162,25 @@ svga_remap_generic_index(int8_t remap_table[MAX_GENERIC_VARYING], return remap_table[generic_index]; } +static const enum pipe_swizzle copy_alpha[PIPE_SWIZZLE_MAX] = { + PIPE_SWIZZLE_X, + PIPE_SWIZZLE_Y, + PIPE_SWIZZLE_Z, + PIPE_SWIZZLE_W, + PIPE_SWIZZLE_0, + PIPE_SWIZZLE_1, + PIPE_SWIZZLE_NONE +}; + +static const enum pipe_swizzle set_alpha[PIPE_SWIZZLE_MAX] = { + PIPE_SWIZZLE_X, + PIPE_SWIZZLE_Y, + PIPE_SWIZZLE_Z, + PIPE_SWIZZLE_1, + PIPE_SWIZZLE_0, + PIPE_SWIZZLE_1, + PIPE_SWIZZLE_NONE +}; /** * Initialize the shader-neutral fields of svga_compile_key from context @@ -174,6 +192,7 @@ svga_init_shader_key_common(const struct svga_context *svga, struct svga_compile_key *key) { unsigned i, idx = 0; + const enum pipe_swizzle *swizzle_tab; assert(shader < ARRAY_SIZE(svga->curr.num_sampler_views)); @@ -212,22 +231,20 @@ svga_init_shader_key_common(const struct svga_context *svga, ++key->num_unnormalized_coords; } - key->tex[i].swizzle_r = view->swizzle_r; - key->tex[i].swizzle_g = view->swizzle_g; - key->tex[i].swizzle_b = view->swizzle_b; + swizzle_tab = (!util_format_has_alpha(view->format) && + svga_texture_device_format_has_alpha(view->texture)) ? + set_alpha : copy_alpha; /* If we have a non-alpha view into an svga3d surface with an * alpha channel, then explicitly set the alpha channel to 1 - * when sampling. Note that we need to check the svga3d format - * in the svga texture key, since the imported format is - * stored here and it may differ from the gallium format. + * when sampling. Note that we need to check the + * actual device format to cover also imported surface cases. */ - if (!util_format_has_alpha(view->format) && - svga_texture_device_format_has_alpha(view->texture)) { - key->tex[i].swizzle_a = PIPE_SWIZZLE_1; - } else { - key->tex[i].swizzle_a = view->swizzle_a; - } + + key->tex[i].swizzle_r = swizzle_tab[view->swizzle_r]; + key->tex[i].swizzle_g = swizzle_tab[view->swizzle_g]; + key->tex[i].swizzle_b = swizzle_tab[view->swizzle_b]; + key->tex[i].swizzle_a = swizzle_tab[view->swizzle_a]; } } } |