mesa: added infrastructure for GL_EXT_draw_buffers2

diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 6f9f57f5cb88a75d7445a714daa5f3e7a050fb39..cd6e881ad2d93f082c4061100ded10155cda9d5c 100644 (file)
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -1033,6 +1033,9 @@ _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);
@@ -1047,10 +1050,14 @@ _mesa_set_enablei(GLcontext *ctx, GLenum cap, GLuint index, GLboolean state)
       }
       break;
    default:
-      _mesa_error(ctx, GL_INVALID_ENUM, "%s(cap=%s)",
-                  state ? "glEnableIndexed" : "glDisableIndexed",
-                  _mesa_lookup_enum_by_nr(cap));
+      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));
 }
 
 

diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c
index 2138bfe40ef58733436c9c2d165a6705e7455c1c..9e96eb04036f08d269430257b1f5b9d40ed08d8d 100644 (file)
--- a/src/mesa/main/extensions.c
+++ b/src/mesa/main/extensions.c
@@ -103,6 +103,7 @@ static const struct {
    { OFF, "GL_EXT_convolution",                F(EXT_convolution) },
    { ON,  "GL_EXT_copy_texture",               F(EXT_copy_texture) },
    { OFF, "GL_EXT_depth_bounds_test",          F(EXT_depth_bounds_test) },
+   { OFF, "GL_EXT_draw_buffers2",              F(EXT_draw_buffers2) },
    { ON,  "GL_EXT_draw_range_elements",        F(EXT_draw_range_elements) },
    { OFF, "GL_EXT_framebuffer_blit",           F(EXT_framebuffer_blit) },
    { OFF, "GL_EXT_framebuffer_multisample",    F(EXT_framebuffer_multisample) },

diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index 44396a0491cfbad226bc257429d17ba969d98162..99478f0ec43efcc7fe3540598f971d139774be09 100644 (file)
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -7448,12 +7448,14 @@ _mesa_GetBooleanIndexedv( GLenum pname, GLuint index, GLboolean *params )
 
    switch (pname) {
       case GL_BLEND:
+         CHECK_EXT1(EXT_draw_buffers2, "GetBooleanIndexedv");
          if (index >= ctx->Const.MaxDrawBuffers) {
             _mesa_error(ctx, GL_INVALID_VALUE, "glGetBooleanIndexedv(index=%u), index", pname);
          }
          params[0] = INT_TO_BOOLEAN(((ctx->Color.BlendEnabled >> index) & 1));
          break;
       case GL_COLOR_WRITEMASK:
+         CHECK_EXT1(EXT_draw_buffers2, "GetBooleanIndexedv");
          if (index >= ctx->Const.MaxDrawBuffers) {
             _mesa_error(ctx, GL_INVALID_VALUE, "glGetBooleanIndexedv(index=%u), index", pname);
          }
@@ -7481,12 +7483,14 @@ _mesa_GetIntegerIndexedv( GLenum pname, GLuint index, GLint *params )
 
    switch (pname) {
       case GL_BLEND:
+         CHECK_EXT1(EXT_draw_buffers2, "GetIntegerIndexedv");
          if (index >= ctx->Const.MaxDrawBuffers) {
             _mesa_error(ctx, GL_INVALID_VALUE, "glGetIntegerIndexedv(index=%u), index", pname);
          }
          params[0] = ((ctx->Color.BlendEnabled >> index) & 1);
          break;
       case GL_COLOR_WRITEMASK:
+         CHECK_EXT1(EXT_draw_buffers2, "GetIntegerIndexedv");
          if (index >= ctx->Const.MaxDrawBuffers) {
             _mesa_error(ctx, GL_INVALID_VALUE, "glGetIntegerIndexedv(index=%u), index", pname);
          }
@@ -7515,12 +7519,14 @@ _mesa_GetInteger64Indexedv( GLenum pname, GLuint index, GLint64 *params )
 
    switch (pname) {
       case GL_BLEND:
+         CHECK_EXT1(EXT_draw_buffers2, "GetInteger64Indexedv");
          if (index >= ctx->Const.MaxDrawBuffers) {
             _mesa_error(ctx, GL_INVALID_VALUE, "glGetInteger64Indexedv(index=%u), index", pname);
          }
          params[0] = (GLint64)(((ctx->Color.BlendEnabled >> index) & 1));
          break;
       case GL_COLOR_WRITEMASK:
+         CHECK_EXT1(EXT_draw_buffers2, "GetInteger64Indexedv");
          if (index >= ctx->Const.MaxDrawBuffers) {
             _mesa_error(ctx, GL_INVALID_VALUE, "glGetInteger64Indexedv(index=%u), index", pname);
          }

diff --git a/src/mesa/main/get_gen.py b/src/mesa/main/get_gen.py
index 18708be26037d96cdfc35ed8fdcca97e3c21d57b..82eacf03146d63099213f4b7749a225cedfa6621 100644 (file)
--- a/src/mesa/main/get_gen.py
+++ b/src/mesa/main/get_gen.py
@@ -1036,13 +1036,13 @@ StateVars = [
 # These are queried via glGetIntegetIndexdvEXT() or glGetIntegeri_v()
 IndexedStateVars = [
        ( "GL_BLEND", GLint, ["((ctx->Color.BlendEnabled >> index) & 1)"],
-         "ctx->Const.MaxDrawBuffers", None ),
+         "ctx->Const.MaxDrawBuffers", ["EXT_draw_buffers2"] ),
        ( "GL_COLOR_WRITEMASK", GLint,
          [ "ctx->Color.ColorMask[index][RCOMP] ? 1 : 0",
                "ctx->Color.ColorMask[index][GCOMP] ? 1 : 0",
                "ctx->Color.ColorMask[index][BCOMP] ? 1 : 0",
                "ctx->Color.ColorMask[index][ACOMP] ? 1 : 0" ],
-         "ctx->Const.MaxDrawBuffers", None ),
+         "ctx->Const.MaxDrawBuffers", ["EXT_draw_buffers2"] ),
        # XXX more to come...
 ]
 
@@ -1137,11 +1137,6 @@ def EmitGetFunction(stateVars, returnType, indexed):
                        (name, varType, state, optionalCode, extensions) = state
                        indexMax = 0
                print "      case " + name + ":"
-               if indexMax:
-                       print ('         if (index >= %s) {' % indexMax)
-                       print ('            _mesa_error(ctx, GL_INVALID_VALUE, "gl%s(index=%%u), index", pname);' % function)
-                       print ('         }')
-
                if extensions:
                        if len(extensions) == 1:
                                print ('         CHECK_EXT1(%s, "%s");' %
@@ -1156,6 +1151,11 @@ def EmitGetFunction(stateVars, returnType, indexed):
                                assert len(extensions) == 4
                                print ('         CHECK_EXT4(%s, %s, %s, %s, "%s");' %
                                           (extensions[0], extensions[1], extensions[2], extensions[3], function))
+               if indexMax:
+                       print ('         if (index >= %s) {' % indexMax)
+                       print ('            _mesa_error(ctx, GL_INVALID_VALUE, "gl%s(index=%%u), index", pname);' % function)
+                       print ('         }')
+
                conversion = ConversionFunc(varType, returnType)
                if optionalCode:
                        optionalCode = string.replace(optionalCode, "CONVERSION", conversion);  

diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 7ef2852242f91cd61ebb39d8c72f123e13b87919..3a48c8bf009e00ba64841fa20ac3e71ea7cfbda6 100644 (file)
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -2434,6 +2434,7 @@ struct gl_extensions
    GLboolean EXT_compiled_vertex_array;
    GLboolean EXT_copy_texture;
    GLboolean EXT_depth_bounds_test;
+   GLboolean EXT_draw_buffers2;
    GLboolean EXT_draw_range_elements;
    GLboolean EXT_fog_coord;
    GLboolean EXT_framebuffer_blit;