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authorBrian <[email protected]>2008-05-06 23:08:51 -0600
committerBrian <[email protected]>2008-05-06 23:08:51 -0600
commitdf43fb661b2030d9b833a42dd47b8d7bf58d73aa (patch)
treefe53a42d227411380c67d66f05e4f2f9c323bb69 /src/mesa/main/context.c
parent38c5b148531b1f470956bb9d66757e7301ce0535 (diff)
implement full reference counting for vertex/fragment programs
Use _mesa_reference_vert/fragprog() wherever we assign program pointers. Fixes a memory corruption bug found with glean/api2 test.
Diffstat (limited to 'src/mesa/main/context.c')
-rw-r--r--src/mesa/main/context.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 733aaad0309..d46c0cb74d9 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -149,8 +149,6 @@ int MESA_DEBUG_FLAGS = 0;
/* ubyte -> float conversion */
GLfloat _mesa_ubyte_to_float_color_tab[256];
-static void
-free_shared_state( GLcontext *ctx, struct gl_shared_state *ss );
/**
@@ -420,12 +418,14 @@ alloc_shared_state( GLcontext *ctx )
#endif
#if FEATURE_ARB_vertex_program
- ss->DefaultVertexProgram = ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 0);
+ ss->DefaultVertexProgram = (struct gl_vertex_program *)
+ ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 0);
if (!ss->DefaultVertexProgram)
goto cleanup;
#endif
#if FEATURE_ARB_fragment_program
- ss->DefaultFragmentProgram = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
+ ss->DefaultFragmentProgram = (struct gl_fragment_program *)
+ ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
if (!ss->DefaultFragmentProgram)
goto cleanup;
#endif
@@ -502,12 +502,10 @@ cleanup:
_mesa_DeleteHashTable(ss->Programs);
#endif
#if FEATURE_ARB_vertex_program
- if (ss->DefaultVertexProgram)
- ctx->Driver.DeleteProgram(ctx, ss->DefaultVertexProgram);
+ _mesa_reference_vertprog(ctx, &ss->DefaultVertexProgram, NULL);
#endif
#if FEATURE_ARB_fragment_program
- if (ss->DefaultFragmentProgram)
- ctx->Driver.DeleteProgram(ctx, ss->DefaultFragmentProgram);
+ _mesa_reference_fragprog(ctx, &ss->DefaultFragmentProgram, NULL);
#endif
#if FEATURE_ATI_fragment_shader
if (ss->DefaultFragmentShader)
@@ -714,10 +712,10 @@ free_shared_state( GLcontext *ctx, struct gl_shared_state *ss )
_mesa_DeleteHashTable(ss->Programs);
#endif
#if FEATURE_ARB_vertex_program
- ctx->Driver.DeleteProgram(ctx, ss->DefaultVertexProgram);
+ _mesa_reference_vertprog(ctx, &ss->DefaultVertexProgram, NULL);
#endif
#if FEATURE_ARB_fragment_program
- ctx->Driver.DeleteProgram(ctx, ss->DefaultFragmentProgram);
+ _mesa_reference_fragprog(ctx, &ss->DefaultFragmentProgram, NULL);
#endif
#if FEATURE_ATI_fragment_shader
@@ -1251,6 +1249,14 @@ _mesa_free_context_data( GLcontext *ctx )
_mesa_unreference_framebuffer(&ctx->DrawBuffer);
_mesa_unreference_framebuffer(&ctx->ReadBuffer);
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram.Current, NULL);
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._Current, NULL);
+ _mesa_reference_vertprog(ctx, &ctx->VertexProgram._TnlProgram, NULL);
+
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram.Current, NULL);
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._Current, NULL);
+ _mesa_reference_fragprog(ctx, &ctx->FragmentProgram._TexEnvProgram, NULL);
+
_mesa_free_attrib_data(ctx);
_mesa_free_lighting_data( ctx );
_mesa_free_eval_data( ctx );