diff options
author | Brian Paul <[email protected]> | 2010-07-02 08:14:54 -0600 |
---|---|---|
committer | Brian Paul <[email protected]> | 2010-07-02 08:14:54 -0600 |
commit | b6b9b17d27c570cc99ae339e595cf2f63ca5e8d7 (patch) | |
tree | 72634b1de97dd6369a14f86f710340b5823f4cdf /src/mesa/main/texenvprogram.c | |
parent | e845765f0f8791a0e6c2e54b91ebf9f0e831d19f (diff) |
mesa: make the number of draw buffers part of the texenv program key state
All the state that effects the program should be in the key.
This didn't help with bug 28169 but is a good fix anyway.
NOTE: this is a low-priority candidate for the 7.8 branch. In practice,
this issue might never be hit.
Diffstat (limited to 'src/mesa/main/texenvprogram.c')
-rw-r--r-- | src/mesa/main/texenvprogram.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c index 30963bdf7d0..6aa89d1e619 100644 --- a/src/mesa/main/texenvprogram.c +++ b/src/mesa/main/texenvprogram.c @@ -98,6 +98,7 @@ struct state_key { GLuint fog_enabled:1; GLuint fog_mode:2; /**< FOG_x */ GLuint inputs_available:12; + GLuint num_draw_buffers:4; /* NOTE: This array of structs must be last! (see "keySize" below) */ struct { @@ -485,6 +486,9 @@ static GLuint make_state_key( GLcontext *ctx, struct state_key *key ) inputs_referenced |= FRAG_BIT_FOGC; /* maybe */ } + /* _NEW_BUFFERS */ + key->num_draw_buffers = ctx->DrawBuffer->_NumColorDrawBuffers; + key->inputs_available = (inputs_available & inputs_referenced); /* compute size of state key, ignoring unused texture units */ @@ -1438,10 +1442,10 @@ create_new_program(GLcontext *ctx, struct state_key *key, p.program->Base.Parameters = _mesa_new_parameter_list(); p.program->Base.InputsRead = 0x0; - if (ctx->DrawBuffer->_NumColorDrawBuffers == 1) + if (key->num_draw_buffers == 1) p.program->Base.OutputsWritten = 1 << FRAG_RESULT_COLOR; else { - for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) + for (i = 0; i < key->num_draw_buffers; i++) p.program->Base.OutputsWritten |= (1 << (FRAG_RESULT_DATA0 + i)); } @@ -1493,8 +1497,8 @@ create_new_program(GLcontext *ctx, struct state_key *key, cf = get_source( &p, SRC_PREVIOUS, 0 ); - for (i = 0; i < ctx->DrawBuffer->_NumColorDrawBuffers; i++) { - if (ctx->DrawBuffer->_NumColorDrawBuffers == 1) + for (i = 0; i < key->num_draw_buffers; i++) { + if (key->num_draw_buffers == 1) out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_COLOR ); else { out = make_ureg( PROGRAM_OUTPUT, FRAG_RESULT_DATA0 + i ); |