vk: Add four unit tests for our lock-free data-structures
[mesa.git] / src / mesa / drivers / dri / i965 / brw_wm.c
index fe36dd422850695d695c83546f6cc737def6010c..4619ce1080d1eb059e5a4937536cfe8dfd2b2e84 100644 (file)
@@ -36,6 +36,7 @@
 #include "main/formats.h"
 #include "main/fbobject.h"
 #include "main/samplerobj.h"
+#include "main/framebuffer.h"
 #include "program/prog_parameter.h"
 #include "program/program.h"
 #include "intel_mipmap_tree.h"
@@ -46,7 +47,7 @@
  * Return a bitfield where bit n is set if barycentric interpolation mode n
  * (see enum brw_wm_barycentric_interp_mode) is needed by the fragment shader.
  */
-static unsigned
+unsigned
 brw_compute_barycentric_interp_modes(struct brw_context *brw,
                                      bool shade_model_flat,
                                      bool persample_shading,
@@ -116,6 +117,25 @@ brw_compute_barycentric_interp_modes(struct brw_context *brw,
    return barycentric_interp_modes;
 }
 
+static uint8_t
+computed_depth_mode(struct gl_fragment_program *fp)
+{
+   if (fp->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH)) {
+      switch (fp->FragDepthLayout) {
+      case FRAG_DEPTH_LAYOUT_NONE:
+      case FRAG_DEPTH_LAYOUT_ANY:
+         return BRW_PSCDEPTH_ON;
+      case FRAG_DEPTH_LAYOUT_GREATER:
+         return BRW_PSCDEPTH_ON_GE;
+      case FRAG_DEPTH_LAYOUT_LESS:
+         return BRW_PSCDEPTH_ON_LE;
+      case FRAG_DEPTH_LAYOUT_UNCHANGED:
+         return BRW_PSCDEPTH_OFF;
+      }
+   }
+   return BRW_PSCDEPTH_OFF;
+}
+
 bool
 brw_wm_prog_data_compare(const void *in_a, const void *in_b)
 {
@@ -140,10 +160,11 @@ brw_wm_prog_data_compare(const void *in_a, const void *in_b)
  * Depending on the instructions used (i.e. flow control instructions)
  * we'll use one of two code generators.
  */
-bool do_wm_prog(struct brw_context *brw,
-               struct gl_shader_program *prog,
-               struct brw_fragment_program *fp,
-               struct brw_wm_prog_key *key)
+bool
+brw_codegen_wm_prog(struct brw_context *brw,
+                    struct gl_shader_program *prog,
+                    struct brw_fragment_program *fp,
+                    struct brw_wm_prog_key *key)
 {
    struct gl_context *ctx = &brw->ctx;
    void *mem_ctx = ralloc_context(NULL);
@@ -161,6 +182,12 @@ bool do_wm_prog(struct brw_context *brw,
     */
    prog_data.uses_kill = fp->program.UsesKill || key->alpha_test_func;
 
+   prog_data.computed_depth_mode = computed_depth_mode(&fp->program);
+
+   /* Use ALT floating point mode for ARB programs so that 0^0 == 1. */
+   if (!prog)
+      prog_data.base.use_alt_mode = true;
+
    /* Allocate the references to the uniforms that will end up in the
     * prog_data associated with the compiled program, and which will be freed
     * by the state cache.
@@ -240,6 +267,14 @@ brw_debug_recompile_sampler_key(struct brw_context *brw,
                       old_key->gl_clamp_mask[2], key->gl_clamp_mask[2]);
    found |= key_debug(brw, "gather channel quirk on any texture unit",
                       old_key->gather_channel_quirk_mask, key->gather_channel_quirk_mask);
+   found |= key_debug(brw, "compressed multisample layout",
+                      old_key->compressed_multisample_layout_mask,
+                      key->compressed_multisample_layout_mask);
+
+   for (unsigned int i = 0; i < MAX_SAMPLERS; i++) {
+      found |= key_debug(brw, "textureGather workarounds",
+                         old_key->gen6_gather_wa[i], key->gen6_gather_wa[i]);
+   }
 
    return found;
 }
@@ -396,6 +431,27 @@ brw_populate_sampler_prog_key_data(struct gl_context *ctx,
    }
 }
 
+static bool
+brw_wm_state_dirty (struct brw_context *brw)
+{
+   return brw_state_dirty(brw,
+                          _NEW_BUFFERS |
+                          _NEW_COLOR |
+                          _NEW_DEPTH |
+                          _NEW_FRAG_CLAMP |
+                          _NEW_HINT |
+                          _NEW_LIGHT |
+                          _NEW_LINE |
+                          _NEW_MULTISAMPLE |
+                          _NEW_POLYGON |
+                          _NEW_STENCIL |
+                          _NEW_TEXTURE,
+                          BRW_NEW_FRAGMENT_PROGRAM |
+                          BRW_NEW_REDUCED_PRIMITIVE |
+                          BRW_NEW_STATS_WM |
+                          BRW_NEW_VUE_MAP_GEOM_OUT);
+}
+
 static void brw_wm_populate_key( struct brw_context *brw,
                                 struct brw_wm_prog_key *key )
 {
@@ -407,7 +463,7 @@ static void brw_wm_populate_key( struct brw_context *brw,
    GLuint lookup = 0;
    GLuint line_aa;
    bool program_uses_dfdy = fp->program.UsesDFdy;
-   bool multisample_fbo = ctx->DrawBuffer->Visual.samples > 1;
+   const bool multisample_fbo = _mesa_geometric_samples(ctx->DrawBuffer) > 1;
 
    memset(key, 0, sizeof(*key));
 
@@ -506,7 +562,7 @@ static void brw_wm_populate_key( struct brw_context *brw,
     * drawable height in order to invert the Y axis.
     */
    if (fp->program.Base.InputsRead & VARYING_BIT_POS) {
-      key->drawable_height = ctx->DrawBuffer->Height;
+      key->drawable_height = _mesa_geometric_height(ctx->DrawBuffer);
    }
 
    if ((fp->program.Base.InputsRead & VARYING_BIT_POS) || program_uses_dfdy) {
@@ -525,7 +581,7 @@ static void brw_wm_populate_key( struct brw_context *brw,
    key->persample_shading =
       _mesa_get_min_invocations_per_fragment(ctx, &fp->program, true) > 1;
    if (key->persample_shading)
-      key->persample_2x = ctx->DrawBuffer->Visual.samples == 2;
+      key->persample_2x = _mesa_geometric_samples(ctx->DrawBuffer) == 2;
 
    key->compute_pos_offset =
       _mesa_get_min_invocations_per_fragment(ctx, &fp->program, false) > 1 &&
@@ -557,47 +613,26 @@ static void brw_wm_populate_key( struct brw_context *brw,
    key->program_string_id = fp->id;
 }
 
-
-static void
+void
 brw_upload_wm_prog(struct brw_context *brw)
 {
    struct gl_context *ctx = &brw->ctx;
+   struct gl_shader_program *current = ctx->_Shader->_CurrentFragmentProgram;
    struct brw_wm_prog_key key;
    struct brw_fragment_program *fp = (struct brw_fragment_program *)
       brw->fragment_program;
 
+   if (!brw_wm_state_dirty(brw))
+      return;
+
    brw_wm_populate_key(brw, &key);
 
    if (!brw_search_cache(&brw->cache, BRW_CACHE_FS_PROG,
                         &key, sizeof(key),
                         &brw->wm.base.prog_offset, &brw->wm.prog_data)) {
-      bool success = do_wm_prog(brw, ctx->_Shader->_CurrentFragmentProgram, fp,
-                               &key);
+      bool success = brw_codegen_wm_prog(brw, current, fp, &key);
       (void) success;
       assert(success);
    }
    brw->wm.base.prog_data = &brw->wm.prog_data->base;
 }
-
-
-const struct brw_tracked_state brw_wm_prog = {
-   .dirty = {
-      .mesa  = _NEW_BUFFERS |
-               _NEW_COLOR |
-               _NEW_DEPTH |
-               _NEW_FRAG_CLAMP |
-               _NEW_HINT |
-               _NEW_LIGHT |
-               _NEW_LINE |
-               _NEW_MULTISAMPLE |
-               _NEW_POLYGON |
-               _NEW_STENCIL |
-               _NEW_TEXTURE,
-      .brw   = BRW_NEW_FRAGMENT_PROGRAM |
-               BRW_NEW_REDUCED_PRIMITIVE |
-               BRW_NEW_STATS_WM |
-               BRW_NEW_VUE_MAP_GEOM_OUT,
-   },
-   .emit = brw_upload_wm_prog
-};
-