projects / mesa.git / blobdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | inline | side by side
mesa/core: Enable EXT_depth_clamp for GLES >= 2.0
[mesa.git] / src / mesa / main / enable.c
diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 4c5f9dce5e4c740002627112dde5e0926a7b946d..386556edeedb829bcfeaa34510108287732e5a19 100644 (file)
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -39,6 +39,7 @@
 #include "light.h"
 #include "mtypes.h"
 #include "enums.h"
+#include "state.h"
 #include "texstate.h"
 #include "varray.h"
 
@@ -209,6 +210,8 @@ enable_texture(struct gl_context *ctx, GLboolean state, GLbitfield texBit)
 {
    struct gl_fixedfunc_texture_unit *texUnit =
       _mesa_get_current_fixedfunc_tex_unit(ctx);
+   if (!texUnit)
+      return GL_FALSE;
 
    const GLbitfield newenabled = state
       ? (texUnit->Enabled | texBit) : (texUnit->Enabled & ~texBit);
@@ -479,6 +482,16 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
             ctx->DriverFlags.NewIntelConservativeRasterization;
          ctx->IntelConservativeRasterization = state;
          break;
+      case GL_CONSERVATIVE_RASTERIZATION_NV:
+         if (!_mesa_has_NV_conservative_raster(ctx))
+            goto invalid_enum_error;
+         if (ctx->ConservativeRasterization == state)
+            return;
+         FLUSH_VERTICES(ctx, 0);
+         ctx->NewDriverState |=
+            ctx->DriverFlags.NewNvConservativeRasterization;
+         ctx->ConservativeRasterization = state;
+         break;
       case GL_COLOR_LOGIC_OP:
          if (!_mesa_is_desktop_gl(ctx) && ctx->API != API_OPENGLES)
             goto invalid_enum_error;
@@ -917,6 +930,7 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
             return;
          FLUSH_VERTICES(ctx, _NEW_PROGRAM);
          ctx->VertexProgram.Enabled = state;
+         _mesa_update_vertex_processing_mode(ctx);
          break;
       case GL_VERTEX_PROGRAM_POINT_SIZE_ARB:
          /* This was added with ARB_vertex_program, but it is also used with
@@ -990,15 +1004,41 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
          break;
 
       case GL_DEPTH_CLAMP:
+         if (!_mesa_has_ARB_depth_clamp(ctx) &&
+             !_mesa_has_EXT_depth_clamp(ctx))
+            goto invalid_enum_error;
+         if (ctx->Transform.DepthClampNear == state &&
+             ctx->Transform.DepthClampFar == state)
+            return;
+         FLUSH_VERTICES(ctx, ctx->DriverFlags.NewDepthClamp ? 0 :
+                                                           _NEW_TRANSFORM);
+         ctx->NewDriverState |= ctx->DriverFlags.NewDepthClamp;
+         ctx->Transform.DepthClampNear = state;
+         ctx->Transform.DepthClampFar = state;
+         break;
+
+      case GL_DEPTH_CLAMP_NEAR_AMD:
          if (!_mesa_is_desktop_gl(ctx))
             goto invalid_enum_error;
-         CHECK_EXTENSION(ARB_depth_clamp, cap);
-         if (ctx->Transform.DepthClamp == state)
+         CHECK_EXTENSION(AMD_depth_clamp_separate, cap);
+         if (ctx->Transform.DepthClampNear == state)
             return;
          FLUSH_VERTICES(ctx, ctx->DriverFlags.NewDepthClamp ? 0 :
                                                            _NEW_TRANSFORM);
          ctx->NewDriverState |= ctx->DriverFlags.NewDepthClamp;
-         ctx->Transform.DepthClamp = state;
+         ctx->Transform.DepthClampNear = state;
+         break;
+
+      case GL_DEPTH_CLAMP_FAR_AMD:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         CHECK_EXTENSION(AMD_depth_clamp_separate, cap);
+         if (ctx->Transform.DepthClampFar == state)
+            return;
+         FLUSH_VERTICES(ctx, ctx->DriverFlags.NewDepthClamp ? 0 :
+                                                           _NEW_TRANSFORM);
+         ctx->NewDriverState |= ctx->DriverFlags.NewDepthClamp;
+         ctx->Transform.DepthClampFar = state;
          break;
 
       case GL_FRAGMENT_SHADER_ATI:
@@ -1085,8 +1125,6 @@ _mesa_set_enable(struct gl_context *ctx, GLenum cap, GLboolean state)
 
       /* GL3.0 - GL_framebuffer_sRGB */
       case GL_FRAMEBUFFER_SRGB_EXT:
-         if (!_mesa_is_desktop_gl(ctx))
-            goto invalid_enum_error;
          CHECK_EXTENSION(EXT_framebuffer_sRGB, cap);
          _mesa_set_framebuffer_srgb(ctx, state);
          return;
@@ -1293,6 +1331,9 @@ is_texture_enabled(struct gl_context *ctx, GLbitfield bit)
    const struct gl_fixedfunc_texture_unit *const texUnit =
       _mesa_get_current_fixedfunc_tex_unit(ctx);
 
+   if (!texUnit)
+      return GL_FALSE;
+
    return (texUnit->Enabled & bit) ? GL_TRUE : GL_FALSE;
 }
 
@@ -1539,41 +1580,40 @@ _mesa_IsEnabled( GLenum cap )
       case GL_VERTEX_ARRAY:
          if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
             goto invalid_enum_error;
-         return ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_POS].Enabled;
+         return !!(ctx->Array.VAO->Enabled & VERT_BIT_POS);
       case GL_NORMAL_ARRAY:
          if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
             goto invalid_enum_error;
-         return ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_NORMAL].Enabled;
+         return !!(ctx->Array.VAO->Enabled & VERT_BIT_NORMAL);
       case GL_COLOR_ARRAY:
          if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
             goto invalid_enum_error;
-         return ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR0].Enabled;
+         return !!(ctx->Array.VAO->Enabled & VERT_BIT_COLOR0);
       case GL_INDEX_ARRAY:
          if (ctx->API != API_OPENGL_COMPAT)
             goto invalid_enum_error;
-         return ctx->Array.VAO->
-            VertexAttrib[VERT_ATTRIB_COLOR_INDEX].Enabled;
+         return !!(ctx->Array.VAO->Enabled & VERT_BIT_COLOR_INDEX);
       case GL_TEXTURE_COORD_ARRAY:
          if (ctx->API != API_OPENGL_COMPAT && ctx->API != API_OPENGLES)
             goto invalid_enum_error;
-         return ctx->Array.VAO->
-            VertexAttrib[VERT_ATTRIB_TEX(ctx->Array.ActiveTexture)].Enabled;
+         return !!(ctx->Array.VAO->Enabled &
+                   VERT_BIT_TEX(ctx->Array.ActiveTexture));
       case GL_EDGE_FLAG_ARRAY:
          if (ctx->API != API_OPENGL_COMPAT)
             goto invalid_enum_error;
-         return ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_EDGEFLAG].Enabled;
+         return !!(ctx->Array.VAO->Enabled & VERT_BIT_EDGEFLAG);
       case GL_FOG_COORDINATE_ARRAY_EXT:
          if (ctx->API != API_OPENGL_COMPAT)
             goto invalid_enum_error;
-         return ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_FOG].Enabled;
+         return !!(ctx->Array.VAO->Enabled & VERT_BIT_FOG);
       case GL_SECONDARY_COLOR_ARRAY_EXT:
          if (ctx->API != API_OPENGL_COMPAT)
             goto invalid_enum_error;
-         return ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_COLOR1].Enabled;
+         return !!(ctx->Array.VAO->Enabled & VERT_BIT_COLOR1);
       case GL_POINT_SIZE_ARRAY_OES:
          if (ctx->API != API_OPENGLES)
             goto invalid_enum_error;
-         return ctx->Array.VAO->VertexAttrib[VERT_ATTRIB_POINT_SIZE].Enabled;
+         return !!(ctx->Array.VAO->Enabled & VERT_BIT_POINT_SIZE);
 
       /* GL_ARB_texture_cube_map */
       case GL_TEXTURE_CUBE_MAP:
@@ -1664,10 +1704,23 @@ _mesa_IsEnabled( GLenum cap )
 
       /* GL_ARB_depth_clamp */
       case GL_DEPTH_CLAMP:
+         if (!_mesa_has_ARB_depth_clamp(ctx) &&
+             !_mesa_has_EXT_depth_clamp(ctx))
+            goto invalid_enum_error;
+         return ctx->Transform.DepthClampNear ||
+                ctx->Transform.DepthClampFar;
+
+      case GL_DEPTH_CLAMP_NEAR_AMD:
+         if (!_mesa_is_desktop_gl(ctx))
+            goto invalid_enum_error;
+         CHECK_EXTENSION(AMD_depth_clamp_separate);
+         return ctx->Transform.DepthClampNear;
+
+      case GL_DEPTH_CLAMP_FAR_AMD:
          if (!_mesa_is_desktop_gl(ctx))
             goto invalid_enum_error;
-         CHECK_EXTENSION(ARB_depth_clamp);
-         return ctx->Transform.DepthClamp;
+         CHECK_EXTENSION(AMD_depth_clamp_separate);
+         return ctx->Transform.DepthClampFar;
 
       case GL_FRAGMENT_SHADER_ATI:
          if (ctx->API != API_OPENGL_COMPAT)
@@ -1709,8 +1762,6 @@ _mesa_IsEnabled( GLenum cap )
 
       /* GL3.0 - GL_framebuffer_sRGB */
       case GL_FRAMEBUFFER_SRGB_EXT:
-         if (!_mesa_is_desktop_gl(ctx))
-            goto invalid_enum_error;
          CHECK_EXTENSION(EXT_framebuffer_sRGB);
          return ctx->Color.sRGBEnabled;
 
@@ -1743,6 +1794,10 @@ _mesa_IsEnabled( GLenum cap )
          CHECK_EXTENSION(INTEL_conservative_rasterization);
          return ctx->IntelConservativeRasterization;
 
+      case GL_CONSERVATIVE_RASTERIZATION_NV:
+         CHECK_EXTENSION(NV_conservative_raster);
+         return ctx->ConservativeRasterization;
+
       case GL_TILE_RASTER_ORDER_FIXED_MESA:
          CHECK_EXTENSION(MESA_tile_raster_order);
          return ctx->TileRasterOrderFixed;