glsl: lower mediump temporaries to 16 bits except structures (v2)

[mesa.git] / src / mesa / state_tracker / st_atom_storagebuf.c

diff --git a/src/mesa/state_tracker/st_atom_storagebuf.c b/src/mesa/state_tracker/st_atom_storagebuf.c
index d01688cd64998f40f8f2d03eb9a7965b31bc37b6..60028365bc4b41c532a8417d0e8274219b63dd1b 100644 (file)
--- a/src/mesa/state_tracker/st_atom_storagebuf.c
+++ b/src/mesa/state_tracker/st_atom_storagebuf.c
@@ -24,7 +24,7 @@
  *
  **************************************************************************/
 
-#include "main/imports.h"
+
 #include "program/prog_parameter.h"
 #include "program/prog_print.h"
 #include "compiler/glsl/ir_uniform.h"
@@ -41,28 +41,24 @@
 #include "st_program.h"
 
 static void
-st_bind_ssbos(struct st_context *st, struct gl_linked_shader *shader,
+st_bind_ssbos(struct st_context *st, struct gl_program *prog,
               enum pipe_shader_type shader_type)
 {
    unsigned i;
    struct pipe_shader_buffer buffers[MAX_SHADER_STORAGE_BUFFERS];
-   struct gl_program_constants *c;
-
-   if (!shader || !st->pipe->set_shader_buffers)
+   if (!prog || !st->pipe->set_shader_buffers)
       return;
 
-   c = &st->ctx->Const.Program[shader->Stage];
-
-   for (i = 0; i < shader->Program->info.num_ssbos; i++) {
-      struct gl_shader_storage_buffer_binding *binding;
+   for (i = 0; i < prog->info.num_ssbos; i++) {
+      struct gl_buffer_binding *binding;
       struct st_buffer_object *st_obj;
       struct pipe_shader_buffer *sb = &buffers[i];
 
       binding = &st->ctx->ShaderStorageBufferBindings[
-            shader->ShaderStorageBlocks[i]->Binding];
+            prog->sh.ShaderStorageBlocks[i]->Binding];
       st_obj = st_buffer_object(binding->BufferObject);
 
-      sb->buffer = st_obj->buffer;
+      sb->buffer = st_obj ? st_obj->buffer : NULL;
 
       if (sb->buffer) {
          sb->buffer_offset = binding->Offset;
@@ -79,109 +75,68 @@ st_bind_ssbos(struct st_context *st, struct gl_linked_shader *shader,
          sb->buffer_size = 0;
       }
    }
-   st->pipe->set_shader_buffers(st->pipe, shader_type, c->MaxAtomicBuffers,
-                                shader->Program->info.num_ssbos, buffers);
-   /* clear out any stale shader buffers */
-   if (shader->Program->info.num_ssbos < c->MaxShaderStorageBlocks)
+   st->pipe->set_shader_buffers(st->pipe, shader_type, 0,
+                                prog->info.num_ssbos, buffers,
+                                prog->sh.ShaderStorageBlocksWriteAccess);
+
+   /* Clear out any stale shader buffers (or lowered atomic counters). */
+   int num_ssbos = prog->info.num_ssbos;
+   if (!st->has_hw_atomics)
+      num_ssbos += st->last_used_atomic_bindings[shader_type];
+   if (st->last_num_ssbos[shader_type] > num_ssbos) {
       st->pipe->set_shader_buffers(
             st->pipe, shader_type,
-            c->MaxAtomicBuffers + shader->Program->info.num_ssbos,
-            c->MaxShaderStorageBlocks - shader->Program->info.num_ssbos,
-            NULL);
+            num_ssbos,
+            st->last_num_ssbos[shader_type] - num_ssbos,
+            NULL, 0);
+      st->last_num_ssbos[shader_type] = num_ssbos;
+   }
 }
 
-static void bind_vs_ssbos(struct st_context *st)
+void st_bind_vs_ssbos(struct st_context *st)
 {
-   struct gl_shader_program *prog =
+   struct gl_program *prog =
       st->ctx->_Shader->CurrentProgram[MESA_SHADER_VERTEX];
 
-   if (!prog)
-      return;
-
-   st_bind_ssbos(st, prog->_LinkedShaders[MESA_SHADER_VERTEX],
-                 PIPE_SHADER_VERTEX);
+   st_bind_ssbos(st, prog, PIPE_SHADER_VERTEX);
 }
 
-const struct st_tracked_state st_bind_vs_ssbos = {
-   bind_vs_ssbos
-};
-
-static void bind_fs_ssbos(struct st_context *st)
+void st_bind_fs_ssbos(struct st_context *st)
 {
-   struct gl_shader_program *prog =
+   struct gl_program *prog =
       st->ctx->_Shader->CurrentProgram[MESA_SHADER_FRAGMENT];
 
-   if (!prog)
-      return;
-
-   st_bind_ssbos(st, prog->_LinkedShaders[MESA_SHADER_FRAGMENT],
-                 PIPE_SHADER_FRAGMENT);
+   st_bind_ssbos(st, prog, PIPE_SHADER_FRAGMENT);
 }
 
-const struct st_tracked_state st_bind_fs_ssbos = {
-   bind_fs_ssbos
-};
-
-static void bind_gs_ssbos(struct st_context *st)
+void st_bind_gs_ssbos(struct st_context *st)
 {
-   struct gl_shader_program *prog =
+   struct gl_program *prog =
       st->ctx->_Shader->CurrentProgram[MESA_SHADER_GEOMETRY];
 
-   if (!prog)
-      return;
-
-   st_bind_ssbos(st, prog->_LinkedShaders[MESA_SHADER_GEOMETRY],
-                 PIPE_SHADER_GEOMETRY);
+   st_bind_ssbos(st, prog, PIPE_SHADER_GEOMETRY);
 }
 
-const struct st_tracked_state st_bind_gs_ssbos = {
-   bind_gs_ssbos
-};
-
-static void bind_tcs_ssbos(struct st_context *st)
+void st_bind_tcs_ssbos(struct st_context *st)
 {
-   struct gl_shader_program *prog =
+   struct gl_program *prog =
       st->ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_CTRL];
 
-   if (!prog)
-      return;
-
-   st_bind_ssbos(st, prog->_LinkedShaders[MESA_SHADER_TESS_CTRL],
-                 PIPE_SHADER_TESS_CTRL);
+   st_bind_ssbos(st, prog, PIPE_SHADER_TESS_CTRL);
 }
 
-const struct st_tracked_state st_bind_tcs_ssbos = {
-   bind_tcs_ssbos
-};
-
-static void bind_tes_ssbos(struct st_context *st)
+void st_bind_tes_ssbos(struct st_context *st)
 {
-   struct gl_shader_program *prog =
+   struct gl_program *prog =
       st->ctx->_Shader->CurrentProgram[MESA_SHADER_TESS_EVAL];
 
-   if (!prog)
-      return;
-
-   st_bind_ssbos(st, prog->_LinkedShaders[MESA_SHADER_TESS_EVAL],
-                 PIPE_SHADER_TESS_EVAL);
+   st_bind_ssbos(st, prog, PIPE_SHADER_TESS_EVAL);
 }
 
-const struct st_tracked_state st_bind_tes_ssbos = {
-   bind_tes_ssbos
-};
-
-static void bind_cs_ssbos(struct st_context *st)
+void st_bind_cs_ssbos(struct st_context *st)
 {
-   struct gl_shader_program *prog =
+   struct gl_program *prog =
       st->ctx->_Shader->CurrentProgram[MESA_SHADER_COMPUTE];
 
-   if (!prog)
-      return;
-
-   st_bind_ssbos(st, prog->_LinkedShaders[MESA_SHADER_COMPUTE],
-                 PIPE_SHADER_COMPUTE);
+   st_bind_ssbos(st, prog, PIPE_SHADER_COMPUTE);
 }
-
-const struct st_tracked_state st_bind_cs_ssbos = {
-   bind_cs_ssbos
-};