diff options
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_command.c | 50 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_main.h | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_texture.c | 22 |
3 files changed, 53 insertions, 21 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_command.c b/src/gallium/drivers/cell/spu/spu_command.c index 4e98eea3389..fa78377c663 100644 --- a/src/gallium/drivers/cell/spu/spu_command.c +++ b/src/gallium/drivers/cell/spu/spu_command.c @@ -298,22 +298,48 @@ cmd_state_framebuffer(const struct cell_command_framebuffer *cmd) static void cmd_state_sampler(const struct cell_command_sampler *sampler) { - DEBUG_PRINTF("SAMPLER [%u]\n", sampler->unit); + uint unit = sampler->unit; - spu.sampler[sampler->unit] = sampler->state; + DEBUG_PRINTF("SAMPLER [%u]\n", unit); - if (spu.sampler[sampler->unit].min_mip_filter != PIPE_TEX_MIPFILTER_NONE) { - /* use lambda/lod to determine min vs. mag filter */ - spu.sample_texture4[sampler->unit] = sample_texture4_lod; + spu.sampler[unit] = sampler->state; + + switch (spu.sampler[unit].min_img_filter) { + case PIPE_TEX_FILTER_LINEAR: + spu.min_sample_texture4[unit] = sample_texture4_bilinear; + break; + case PIPE_TEX_FILTER_ANISO: + /* fall-through, for now */ + case PIPE_TEX_FILTER_NEAREST: + spu.min_sample_texture4[unit] = sample_texture4_nearest; + break; + default: + ASSERT(0); } - else if (spu.sampler[sampler->unit].min_img_filter - == PIPE_TEX_FILTER_LINEAR) { - /* min = mag = bilinear */ - spu.sample_texture4[sampler->unit] = sample_texture4_bilinear; + + switch (spu.sampler[sampler->unit].mag_img_filter) { + case PIPE_TEX_FILTER_LINEAR: + spu.mag_sample_texture4[unit] = sample_texture4_bilinear; + break; + case PIPE_TEX_FILTER_ANISO: + /* fall-through, for now */ + case PIPE_TEX_FILTER_NEAREST: + spu.mag_sample_texture4[unit] = sample_texture4_nearest; + break; + default: + ASSERT(0); } - else { - /* min = mag = inearest */ - spu.sample_texture4[sampler->unit] = sample_texture4_nearest; + + switch (spu.sampler[sampler->unit].min_mip_filter) { + case PIPE_TEX_MIPFILTER_NEAREST: + case PIPE_TEX_MIPFILTER_LINEAR: + spu.sample_texture4[unit] = sample_texture4_lod; + break; + case PIPE_TEX_MIPFILTER_NONE: + spu.sample_texture4[unit] = spu.mag_sample_texture4[unit]; + break; + default: + ASSERT(0); } } diff --git a/src/gallium/drivers/cell/spu/spu_main.h b/src/gallium/drivers/cell/spu/spu_main.h index cfb645add02..56aac655e90 100644 --- a/src/gallium/drivers/cell/spu/spu_main.h +++ b/src/gallium/drivers/cell/spu/spu_main.h @@ -170,6 +170,8 @@ struct spu_global /** Current texture sampler function */ spu_sample_texture4_func sample_texture4[CELL_MAX_SAMPLERS]; + spu_sample_texture4_func min_sample_texture4[CELL_MAX_SAMPLERS]; + spu_sample_texture4_func mag_sample_texture4[CELL_MAX_SAMPLERS]; /** Fragment program constants */ vector float constants[4 * CELL_MAX_CONSTANTS]; diff --git a/src/gallium/drivers/cell/spu/spu_texture.c b/src/gallium/drivers/cell/spu/spu_texture.c index 10036330c6c..267f2302f60 100644 --- a/src/gallium/drivers/cell/spu/spu_texture.c +++ b/src/gallium/drivers/cell/spu/spu_texture.c @@ -400,7 +400,7 @@ compute_lambda(uint unit, vector float s, vector float t) void sample_texture4_lod(vector float s, vector float t, vector float r, vector float q, - uint unit, uint level, vector float colors[4]) + uint unit, uint level_ignored, vector float colors[4]) { /* * Note that we're computing a lambda/lod here that's used for all @@ -417,13 +417,17 @@ sample_texture4_lod(vector float s, vector float t, else if (lambda > spu.sampler[unit].max_lod) lambda = spu.sampler[unit].max_lod; - /* convert to int level */ - level = (int) (lambda + 0.5f); - ASSERT(level >= 0); - - if (level > spu.texture[unit].max_level) - level = spu.texture[unit].max_level; - - sample_texture4_bilinear_2(s, t, r, q, unit, level, colors); + if (lambda <= 0.0f) { + /* magnify */ + spu.mag_sample_texture4[unit](s, t, r, q, unit, 0, colors); + } + else { + /* minify */ + int level = (int) (lambda + 0.5f); + if (level > (int) spu.texture[unit].max_level) + level = spu.texture[unit].max_level; + spu.min_sample_texture4[unit](s, t, r, q, unit, level, colors); + /* XXX to do: mipmap level interpolation */ + } } |