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mesa: implement glGet queries for GL_ARB_draw_buffers_blend

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This commit is contained in:
Brian Paul
2011-01-12 08:08:22 -07:00
parent 44c2122a73
commit b3ca110594
1 changed files with 47 additions and 0 deletions
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src/mesa/main/get.c
+47
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@@ -2271,6 +2271,53 @@ find_value_indexed(const char *func, GLenum pname, int index, union value *v)
v->value_int = (ctx->Color.BlendEnabled >> index) & 1;
return TYPE_INT;
case GL_BLEND_SRC:
/* fall-through */
case GL_BLEND_SRC_RGB:
if (index >= ctx->Const.MaxDrawBuffers)
goto invalid_value;
if (!ctx->Extensions.ARB_draw_buffers_blend)
goto invalid_enum;
v->value_int = ctx->Color.Blend[index].SrcRGB;
return TYPE_INT;
case GL_BLEND_SRC_ALPHA:
if (index >= ctx->Const.MaxDrawBuffers)
goto invalid_value;
if (!ctx->Extensions.ARB_draw_buffers_blend)
goto invalid_enum;
v->value_int = ctx->Color.Blend[index].SrcA;
return TYPE_INT;
case GL_BLEND_DST:
/* fall-through */
case GL_BLEND_DST_RGB:
if (index >= ctx->Const.MaxDrawBuffers)
goto invalid_value;
if (!ctx->Extensions.ARB_draw_buffers_blend)
goto invalid_enum;
v->value_int = ctx->Color.Blend[index].DstRGB;
return TYPE_INT;
case GL_BLEND_DST_ALPHA:
if (index >= ctx->Const.MaxDrawBuffers)
goto invalid_value;
if (!ctx->Extensions.ARB_draw_buffers_blend)
goto invalid_enum;
v->value_int = ctx->Color.Blend[index].DstA;
return TYPE_INT;
case GL_BLEND_EQUATION_RGB:
if (index >= ctx->Const.MaxDrawBuffers)
goto invalid_value;
if (!ctx->Extensions.ARB_draw_buffers_blend)
goto invalid_enum;
v->value_int = ctx->Color.Blend[index].EquationRGB;
return TYPE_INT;
case GL_BLEND_EQUATION_ALPHA:
if (index >= ctx->Const.MaxDrawBuffers)
goto invalid_value;
if (!ctx->Extensions.ARB_draw_buffers_blend)
goto invalid_enum;
v->value_int = ctx->Color.Blend[index].EquationA;
return TYPE_INT;
case GL_COLOR_WRITEMASK:
if (index >= ctx->Const.MaxDrawBuffers)
goto invalid_value;