[Mesa-dev] [RFC 19/20] mesa: take shader program cache in to use

[Tapani Pälli]

Patch initializes program cache on context creation, caches linked
programs and skips linking if program is found from the cache.

Signed-off-by: Tapani Pälli <tapani.pa...@intel.com>
---
 src/mesa/main/context.c         | 4 ++++
 src/mesa/program/ir_to_mesa.cpp | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 8eb426d..6119572 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -131,6 +131,7 @@
 #include "vtxfmt.h"
 #include "program/program.h"
 #include "program/prog_print.h"
+#include "program/prog_diskcache.h"
 #include "math/m_matrix.h"
 #include "main/dispatch.h" /* for _gloffset_COUNT */
 
@@ -993,6 +994,7 @@ _mesa_initialize_dispatch_tables(struct gl_context *ctx)
       _mesa_initialize_save_table(ctx);
 }
 
+
 /**
  * Initialize a struct gl_context struct (rendering context).
  *
@@ -1136,6 +1138,8 @@ _mesa_initialize_context(struct gl_context *ctx,
 
    ctx->FirstTimeCurrent = GL_TRUE;
 
+   mesa_program_diskcache_init(ctx);
+
    return GL_TRUE;
 
 fail:
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp
index b3fab72..01165a4 100644
--- a/src/mesa/program/ir_to_mesa.cpp
+++ b/src/mesa/program/ir_to_mesa.cpp
@@ -55,6 +55,7 @@ extern "C" {
 #include "program/program.h"
 #include "program/prog_parameter.h"
 #include "program/sampler.h"
+#include "program/prog_diskcache.h"
 }
 
 static int swizzle_for_size(int size);
@@ -3084,6 +3085,10 @@ _mesa_glsl_link_shader(struct gl_context *ctx, struct 
gl_shader_program *prog)
       }
    }
 
+   /* Search program disk cache if active. */
+   if (ctx->BinaryCacheActive && mesa_program_diskcache_find(prog) == 0)
+      return;
+
    if (prog->LinkStatus) {
       link_shaders(ctx, prog);
    }
@@ -3092,6 +3097,8 @@ _mesa_glsl_link_shader(struct gl_context *ctx, struct 
gl_shader_program *prog)
       if (!ctx->Driver.LinkShader(ctx, prog)) {
         prog->LinkStatus = GL_FALSE;
       } else {
+         if (ctx->BinaryCacheActive)
+            mesa_program_diskcache_cache(prog);
          prog->_Linked = GL_TRUE;
       }
    }
-- 
1.8.3.1

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