diff options
author | Michal Krol <michal@vmware.com> | 2010-01-05 11:04:50 +0100 |
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committer | Michal Krol <michal@vmware.com> | 2010-01-05 11:04:50 +0100 |
commit | 9b21b3c52a8a7d58d08151d1a6bf25c472dec213 (patch) | |
tree | d9083b6af4e2e9b70a7fa6cd31bac45a36e0f6b6 /src/mesa/main/enable.c | |
parent | 543b9566bdaa48fea2df1866fa1310c1cdbcde27 (diff) | |
parent | 1f9aa38f4e2be47229d92be2c1189c2b8d9c7133 (diff) |
Merge branch 'master' into instanced-arrays
Conflicts:
src/gallium/auxiliary/tgsi/tgsi_dump.c
src/gallium/include/pipe/p_shader_tokens.h
Diffstat (limited to 'src/mesa/main/enable.c')
-rw-r--r-- | src/mesa/main/enable.c | 91 |
1 files changed, 86 insertions, 5 deletions
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c index 12ce14c5d0..cd6e881ad2 100644 --- a/src/mesa/main/enable.c +++ b/src/mesa/main/enable.c @@ -278,10 +278,13 @@ _mesa_set_enable(GLcontext *ctx, GLenum cap, GLboolean state) ctx->Eval.AutoNormal = state; break; case GL_BLEND: - if (ctx->Color.BlendEnabled == state) - return; - FLUSH_VERTICES(ctx, _NEW_COLOR); - ctx->Color.BlendEnabled = state; + { + GLbitfield newEnabled = state * ((1 << ctx->Const.MaxDrawBuffers) - 1); + if (newEnabled != ctx->Color.BlendEnabled) { + FLUSH_VERTICES(ctx, _NEW_COLOR); + ctx->Color.BlendEnabled = newEnabled; + } + } break; #if FEATURE_userclip case GL_CLIP_PLANE0: @@ -1020,6 +1023,84 @@ _mesa_Disable( GLenum cap ) } + +/** + * Enable/disable an indexed state var. + */ +void +_mesa_set_enablei(GLcontext *ctx, GLenum cap, GLuint index, GLboolean state) +{ + ASSERT(state == 0 || state == 1); + switch (cap) { + case GL_BLEND: + if (!ctx->Extensions.EXT_draw_buffers2) { + goto bad_cap_error; + } + if (index >= ctx->Const.MaxDrawBuffers) { + _mesa_error(ctx, GL_INVALID_VALUE, "%s(index=%u)", + state ? "glEnableIndexed" : "glDisableIndexed", index); + return; + } + if (((ctx->Color.BlendEnabled >> index) & 1) != state) { + FLUSH_VERTICES(ctx, _NEW_COLOR); + if (state) + ctx->Color.BlendEnabled |= (1 << index); + else + ctx->Color.BlendEnabled &= ~(1 << index); + } + break; + default: + goto bad_cap_error; + } + return; + +bad_cap_error: + _mesa_error(ctx, GL_INVALID_ENUM, "%s(cap=%s)", + state ? "glEnablei" : "glDisablei", + _mesa_lookup_enum_by_nr(cap)); +} + + +void GLAPIENTRY +_mesa_DisableIndexed( GLenum cap, GLuint index ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + _mesa_set_enablei(ctx, cap, index, GL_FALSE); +} + + +void GLAPIENTRY +_mesa_EnableIndexed( GLenum cap, GLuint index ) +{ + GET_CURRENT_CONTEXT(ctx); + ASSERT_OUTSIDE_BEGIN_END(ctx); + _mesa_set_enablei(ctx, cap, index, GL_TRUE); +} + + +GLboolean GLAPIENTRY +_mesa_IsEnabledIndexed( GLenum cap, GLuint index ) +{ + GET_CURRENT_CONTEXT(ctx); + switch (cap) { + case GL_BLEND: + if (index >= ctx->Const.MaxDrawBuffers) { + _mesa_error(ctx, GL_INVALID_VALUE, "glIsEnabledIndexed(index=%u)", + index); + return GL_FALSE; + } + return (ctx->Color.BlendEnabled >> index) & 1; + default: + _mesa_error(ctx, GL_INVALID_ENUM, "glIsEnabledIndexed(cap=%s)", + _mesa_lookup_enum_by_nr(cap)); + return GL_FALSE; + } +} + + + + #undef CHECK_EXTENSION #define CHECK_EXTENSION(EXTNAME) \ if (!ctx->Extensions.EXTNAME) { \ @@ -1066,7 +1147,7 @@ _mesa_IsEnabled( GLenum cap ) case GL_AUTO_NORMAL: return ctx->Eval.AutoNormal; case GL_BLEND: - return ctx->Color.BlendEnabled; + return ctx->Color.BlendEnabled & 1; /* return state for buffer[0] */ case GL_CLIP_PLANE0: case GL_CLIP_PLANE1: case GL_CLIP_PLANE2: |