diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_wm.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_wm.c | 132 |
1 files changed, 69 insertions, 63 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm.c b/src/mesa/drivers/dri/i965/brw_wm.c index a6d2a2377f..656501b4f7 100644 --- a/src/mesa/drivers/dri/i965/brw_wm.c +++ b/src/mesa/drivers/dri/i965/brw_wm.c @@ -119,6 +119,62 @@ brw_wm_non_glsl_emit(struct brw_context *brw, struct brw_wm_compile *c) brw_wm_emit(c); } +static void +brw_wm_payload_setup(struct brw_context *brw, + struct brw_wm_compile *c) +{ + struct intel_context *intel = &brw->intel; + bool uses_depth = (c->fp->program.Base.InputsRead & + (1 << FRAG_ATTRIB_WPOS)) != 0; + + if (intel->gen >= 6) { + /* R0-1: masks, pixel X/Y coordinates. */ + c->nr_payload_regs = 2; + /* R2: only for 32-pixel dispatch.*/ + /* R3-4: perspective pixel location barycentric */ + c->nr_payload_regs += 2; + /* R5-6: perspective pixel location bary for dispatch width != 8 */ + if (c->dispatch_width == 16) { + c->nr_payload_regs += 2; + } + /* R7-10: perspective centroid barycentric */ + /* R11-14: perspective sample barycentric */ + /* R15-18: linear pixel location barycentric */ + /* R19-22: linear centroid barycentric */ + /* R23-26: linear sample barycentric */ + + /* R27: interpolated depth if uses source depth */ + if (uses_depth) { + c->source_depth_reg = c->nr_payload_regs; + c->nr_payload_regs++; + if (c->dispatch_width == 16) { + /* R28: interpolated depth if not 8-wide. */ + c->nr_payload_regs++; + } + } + /* R29: interpolated W set if GEN6_WM_USES_SOURCE_W. + */ + if (uses_depth) { + c->source_w_reg = c->nr_payload_regs; + c->nr_payload_regs++; + if (c->dispatch_width == 16) { + /* R30: interpolated W if not 8-wide. */ + c->nr_payload_regs++; + } + } + /* R31: MSAA position offsets. */ + /* R32-: bary for 32-pixel. */ + /* R58-59: interp W for 32-pixel. */ + + if (c->fp->program.Base.OutputsWritten & + BITFIELD64_BIT(FRAG_RESULT_DEPTH)) { + c->source_depth_to_render_target = GL_TRUE; + c->computes_depth = GL_TRUE; + } + } else { + brw_wm_lookup_iz(intel, c); + } +} /** * All Mesa program -> GPU code generation goes through this function. @@ -167,23 +223,18 @@ static void do_wm_prog( struct brw_context *brw, brw_init_compile(brw, &c->func); - /* temporary sanity check assertion */ - ASSERT(fp->isGLSL == brw_wm_is_glsl(&c->fp->program)); + brw_wm_payload_setup(brw, c); if (!brw_wm_fs_emit(brw, c)) { /* * Shader which use GLSL features such as flow control are handled * differently from "simple" shaders. */ - if (fp->isGLSL) { - c->dispatch_width = 8; - brw_wm_glsl_emit(brw, c); - } - else { - c->dispatch_width = 16; - brw_wm_non_glsl_emit(brw, c); - } + c->dispatch_width = 16; + brw_wm_payload_setup(brw, c); + brw_wm_non_glsl_emit(brw, c); } + c->prog_data.dispatch_width = c->dispatch_width; /* Scratch space is used for register spilling */ if (c->last_scratch) { @@ -220,12 +271,10 @@ static void do_wm_prog( struct brw_context *brw, static void brw_wm_populate_key( struct brw_context *brw, struct brw_wm_prog_key *key ) { - struct intel_context *intel = &brw->intel; struct gl_context *ctx = &brw->intel.ctx; /* BRW_NEW_FRAGMENT_PROGRAM */ const struct brw_fragment_program *fp = (struct brw_fragment_program *)brw->fragment_program; - GLboolean uses_depth = (fp->program.Base.InputsRead & (1 << FRAG_ATTRIB_WPOS)) != 0; GLuint lookup = 0; GLuint line_aa; GLuint i; @@ -285,57 +334,9 @@ static void brw_wm_populate_key( struct brw_context *brw, } } - if (intel->gen >= 6) { - /* R0-1: masks, pixel X/Y coordinates. */ - key->nr_payload_regs = 2; - /* R2: only for 32-pixel dispatch.*/ - /* R3-4: perspective pixel location barycentric */ - key->nr_payload_regs += 2; - /* R5-6: perspective pixel location bary for dispatch width != 8 */ - if (!fp->isGLSL) { /* dispatch_width != 8 */ - key->nr_payload_regs += 2; - } - /* R7-10: perspective centroid barycentric */ - /* R11-14: perspective sample barycentric */ - /* R15-18: linear pixel location barycentric */ - /* R19-22: linear centroid barycentric */ - /* R23-26: linear sample barycentric */ - - /* R27: interpolated depth if uses source depth */ - if (uses_depth) { - key->source_depth_reg = key->nr_payload_regs; - key->nr_payload_regs++; - if (!fp->isGLSL) { /* dispatch_width != 8 */ - /* R28: interpolated depth if not 8-wide. */ - key->nr_payload_regs++; - } - } - /* R29: interpolated W set if GEN6_WM_USES_SOURCE_W. - */ - if (uses_depth) { - key->source_w_reg = key->nr_payload_regs; - key->nr_payload_regs++; - if (!fp->isGLSL) { /* dispatch_width != 8 */ - /* R30: interpolated W if not 8-wide. */ - key->nr_payload_regs++; - } - } - /* R31: MSAA position offsets. */ - /* R32-: bary for 32-pixel. */ - /* R58-59: interp W for 32-pixel. */ - - if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) { - key->source_depth_to_render_target = GL_TRUE; - key->computes_depth = GL_TRUE; - } - - } else { - brw_wm_lookup_iz(intel, - line_aa, - lookup, - uses_depth, - key); - } + key->iz_lookup = lookup; + key->line_aa = line_aa; + key->stats_wm = brw->intel.stats_wm; /* BRW_NEW_WM_INPUT_DIMENSIONS */ key->proj_attrib_mask = brw->wm.input_size_masks[4-1]; @@ -377,6 +378,10 @@ static void brw_wm_populate_key( struct brw_context *brw, swizzles[2] = SWIZZLE_ZERO; } else if (t->DepthMode == GL_LUMINANCE) { swizzles[3] = SWIZZLE_ONE; + } else if (t->DepthMode == GL_RED) { + swizzles[1] = SWIZZLE_ZERO; + swizzles[2] = SWIZZLE_ZERO; + swizzles[3] = SWIZZLE_ZERO; } } @@ -423,6 +428,7 @@ static void brw_wm_populate_key( struct brw_context *brw, */ if (fp->program.Base.InputsRead & FRAG_BIT_WPOS) { key->drawable_height = ctx->DrawBuffer->Height; + key->render_to_fbo = ctx->DrawBuffer->Name != 0; } key->nr_color_regions = brw->state.nr_color_regions; |