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author | Marek Olšák <maraeo@gmail.com> | 2011-04-05 06:21:26 +0200 |
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committer | Marek Olšák <maraeo@gmail.com> | 2011-04-05 06:36:56 +0200 |
commit | b3011ea60cc36a888da031ebac932d67473f4521 (patch) | |
tree | e858f95c29dfae18805140a6a731f0cf139c1788 /src/gallium/drivers/r300/r300_fs.c | |
parent | 20141d9efdf674a3c7a13a75fabe533665d02cd0 (diff) | |
download | external_mesa3d-b3011ea60cc36a888da031ebac932d67473f4521.zip external_mesa3d-b3011ea60cc36a888da031ebac932d67473f4521.tar.gz external_mesa3d-b3011ea60cc36a888da031ebac932d67473f4521.tar.bz2 |
r300g: fix RG/LATC1_SNORM by doing UNORM->SNORM conversion in the shader
Diffstat (limited to 'src/gallium/drivers/r300/r300_fs.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_fs.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/src/gallium/drivers/r300/r300_fs.c b/src/gallium/drivers/r300/r300_fs.c index 37fe662..e3a1bc4 100644 --- a/src/gallium/drivers/r300/r300_fs.c +++ b/src/gallium/drivers/r300/r300_fs.c @@ -22,6 +22,7 @@ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ +#include "util/u_format.h" #include "util/u_math.h" #include "util/u_memory.h" @@ -34,6 +35,7 @@ #include "r300_screen.h" #include "r300_fs.h" #include "r300_reg.h" +#include "r300_texture.h" #include "r300_tgsi_to_rc.h" #include "radeon_code.h" @@ -148,7 +150,6 @@ static void get_external_state( struct r300_textures_state *texstate = r300->textures_state.state; struct r300_rs_state *rs = r300->rs_state.state; unsigned i; - unsigned char *swizzle; state->frag_clamp = rs ? rs->rs.clamp_fragment_color : 0; @@ -161,27 +162,37 @@ static void get_external_state( continue; } - t = r300_resource(texstate->sampler_views[i]->base.texture); + t = r300_resource(v->base.texture); if (s->state.compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) { state->unit[i].compare_mode_enabled = 1; - /* Pass depth texture swizzling to the compiler. */ - if (texstate->sampler_views[i]) { - swizzle = texstate->sampler_views[i]->swizzle; - - state->unit[i].depth_texture_swizzle = - RC_MAKE_SWIZZLE(swizzle[0], swizzle[1], - swizzle[2], swizzle[3]); - } else { - state->unit[i].depth_texture_swizzle = RC_SWIZZLE_XYZW; - } - /* Fortunately, no need to translate this. */ state->unit[i].texture_compare_func = s->state.compare_func; } state->unit[i].non_normalized_coords = !s->state.normalized_coords; + state->unit[i].convert_unorm_to_snorm = + v->base.format == PIPE_FORMAT_RGTC1_SNORM || + v->base.format == PIPE_FORMAT_LATC1_SNORM; + + /* Pass texture swizzling to the compiler, some lowering passes need it. */ + if (v->base.format == PIPE_FORMAT_RGTC1_SNORM || + v->base.format == PIPE_FORMAT_LATC1_SNORM) { + unsigned char swizzle[4]; + + util_format_combine_swizzles(swizzle, + util_format_description(v->base.format)->swizzle, + v->swizzle); + + state->unit[i].texture_swizzle = + RC_MAKE_SWIZZLE(swizzle[0], swizzle[1], + swizzle[2], swizzle[3]); + } else if (state->unit[i].compare_mode_enabled) { + state->unit[i].texture_swizzle = + RC_MAKE_SWIZZLE(v->swizzle[0], v->swizzle[1], + v->swizzle[2], v->swizzle[3]); + } /* XXX this should probably take into account STR, not just S. */ if (t->tex.is_npot) { |