mesa: add support for using API_OPENGL_CORE

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

src/mesa/main/api_validate.c

@@ -128,6 +128,7 @@ check_valid_to_render(struct gl_context *ctx, const char *function)
 
 #if FEATURE_GL
    case API_OPENGL:
+   case API_OPENGL_CORE:
       {
          const struct gl_shader_program *vsProg =
             ctx->Shader.CurrentVertexProgram;

src/mesa/main/context.c

@@ -431,7 +431,7 @@ one_time_init( struct gl_context *ctx )
        * when an app is linked to libGLES*, there are not enough dynamic
        * entries.
        */
-      if (ctx->API == API_OPENGL)
+      if (_mesa_is_desktop_gl(ctx))
          _mesa_init_remap_table();
    }
 
@@ -626,7 +626,7 @@ _mesa_init_constants(struct gl_context *ctx)
 #endif
 
    /* Shading language version */
-   if (ctx->API == API_OPENGL) {
+   if (_mesa_is_desktop_gl(ctx)) {
       ctx->Const.GLSLVersion = 120;
       _mesa_override_glsl_version(ctx);
    }
@@ -962,6 +962,7 @@ _mesa_initialize_context(struct gl_context *ctx,
    switch (ctx->API) {
 #if FEATURE_GL
    case API_OPENGL:
+   case API_OPENGL_CORE:
       ctx->Exec = _mesa_create_exec_table();
       break;
 #endif
@@ -1007,6 +1008,7 @@ _mesa_initialize_context(struct gl_context *ctx,
 
    switch (ctx->API) {
    case API_OPENGL:
+   case API_OPENGL_CORE:
 #if FEATURE_dlist
       ctx->Save = _mesa_create_save_table();
       if (!ctx->Save) {

src/mesa/main/extensions.c

@@ -41,7 +41,9 @@
 
 enum {
    DISABLE = 0,
-   GL  = 1 << API_OPENGL,
+   GLL = 1 << API_OPENGL,       /* GL Legacy / Compatibility */
+   GLC = 1 << API_OPENGL_CORE,  /* GL Core */
+   GL  = (1 << API_OPENGL) | (1 << API_OPENGL_CORE),
    ES1 = 1 << API_OPENGLES,
    ES2 = 1 << API_OPENGLES2,
 };

src/mesa/main/fbobject.c

@@ -164,10 +164,10 @@ get_framebuffer_target(struct gl_context *ctx, GLenum target)
 {
    switch (target) {
    case GL_DRAW_FRAMEBUFFER:
-      return ctx->Extensions.EXT_framebuffer_blit && ctx->API == API_OPENGL
+      return ctx->Extensions.EXT_framebuffer_blit && _mesa_is_desktop_gl(ctx)
 	 ? ctx->DrawBuffer : NULL;
    case GL_READ_FRAMEBUFFER:
-      return ctx->Extensions.EXT_framebuffer_blit && ctx->API == API_OPENGL
+      return ctx->Extensions.EXT_framebuffer_blit && _mesa_is_desktop_gl(ctx)
 	 ? ctx->ReadBuffer : NULL;
    case GL_FRAMEBUFFER_EXT:
       return ctx->DrawBuffer;
@@ -221,7 +221,7 @@ _mesa_get_attachment(struct gl_context *ctx, struct gl_framebuffer *fb,
       }
       return &fb->Attachment[BUFFER_COLOR0 + i];
    case GL_DEPTH_STENCIL_ATTACHMENT:
-      if (ctx->API != API_OPENGL)
+      if (!_mesa_is_desktop_gl(ctx))
 	 return NULL;
       /* fall-through */
    case GL_DEPTH_ATTACHMENT_EXT:
@@ -817,7 +817,7 @@ _mesa_test_framebuffer_completeness(struct gl_context *ctx,
    }
 
 #if FEATURE_GL
-   if (ctx->API == API_OPENGL && !ctx->Extensions.ARB_ES2_compatibility) {
+   if (_mesa_is_desktop_gl(ctx) && !ctx->Extensions.ARB_ES2_compatibility) {
       /* Check that all DrawBuffers are present */
       for (j = 0; j < ctx->Const.MaxDrawBuffers; j++) {
 	 if (fb->ColorDrawBuffer[j] != GL_NONE) {
@@ -2289,7 +2289,7 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
    ASSERT_OUTSIDE_BEGIN_END(ctx);
 
    /* The error differs in GL and GLES. */
-   err = ctx->API == API_OPENGL ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
+   err = _mesa_is_desktop_gl(ctx) ? GL_INVALID_OPERATION : GL_INVALID_ENUM;
 
    buffer = get_framebuffer_target(ctx, target);
    if (!buffer) {
@@ -2309,7 +2309,7 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
        * OES_framebuffer_object spec refers to the EXT_framebuffer_object
        * spec.
        */
-      if (ctx->API != API_OPENGL || !ctx->Extensions.ARB_framebuffer_object) {
+      if (!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_framebuffer_object) {
 	 _mesa_error(ctx, GL_INVALID_OPERATION,
 		     "glGetFramebufferAttachmentParameteriv(bound FBO = 0)");
 	 return;
@@ -2357,7 +2357,7 @@ _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
       }
       else {
          assert(att->Type == GL_NONE);
-         if (ctx->API == API_OPENGL) {
+         if (_mesa_is_desktop_gl(ctx)) {
             *params = 0;
          } else {
             _mesa_error(ctx, GL_INVALID_ENUM,

src/mesa/main/get.c

@@ -391,6 +391,7 @@ extra_NV_read_buffer_api_gl[] = {
 #define API_OPENGL_BIT (1 << API_OPENGL)
 #define API_OPENGLES_BIT (1 << API_OPENGLES)
 #define API_OPENGLES2_BIT (1 << API_OPENGLES2)
+#define API_OPENGL_CORE_BIT (1 << API_OPENGL_CORE)
 
 /* This is the big table describing all the enums we accept in
  * glGet*v().  The table is partitioned into six parts: enums
@@ -405,7 +406,9 @@ extra_NV_read_buffer_api_gl[] = {
 static const struct value_desc values[] = {
    /* Enums shared between OpenGL, GLES1 and GLES2 */
    { 0, 0, TYPE_API_MASK,
-     API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGLES2_BIT, NO_EXTRA},
+     API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGLES2_BIT |
+       API_OPENGL_CORE_BIT,
+     NO_EXTRA},
    { GL_ALPHA_BITS, BUFFER_INT(Visual.alphaBits), extra_new_buffers },
    { GL_BLEND, CONTEXT_BIT0(Color.BlendEnabled), NO_EXTRA },
    { GL_BLEND_SRC, CONTEXT_ENUM(Color.Blend[0].SrcRGB), NO_EXTRA },
@@ -534,7 +537,7 @@ static const struct value_desc values[] = {
 
 #if FEATURE_GL || FEATURE_ES1
    /* Enums in OpenGL and GLES1 */
-   { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES_BIT, NO_EXTRA },
+   { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGLES_BIT | API_OPENGL_CORE_BIT, NO_EXTRA },
    { GL_MAX_LIGHTS, CONTEXT_INT(Const.MaxLights), NO_EXTRA },
    { GL_LIGHT0, CONTEXT_BOOL(Light.Light[0].Enabled), NO_EXTRA },
    { GL_LIGHT1, CONTEXT_BOOL(Light.Light[1].Enabled), NO_EXTRA },
@@ -796,7 +799,7 @@ static const struct value_desc values[] = {
 
 #if FEATURE_GL
    /* Remaining enums are only in OpenGL */
-   { 0, 0, TYPE_API_MASK, API_OPENGL_BIT, NO_EXTRA },
+   { 0, 0, TYPE_API_MASK, API_OPENGL_BIT | API_OPENGL_CORE_BIT, NO_EXTRA },
    { GL_ACCUM_RED_BITS, BUFFER_INT(Visual.accumRedBits), NO_EXTRA },
    { GL_ACCUM_GREEN_BITS, BUFFER_INT(Visual.accumGreenBits), NO_EXTRA },
    { GL_ACCUM_BLUE_BITS, BUFFER_INT(Visual.accumBlueBits), NO_EXTRA },
@@ -1887,7 +1890,7 @@ check_extra(struct gl_context *ctx, const char *func, const struct value_desc *d
 	 }
 	 break;
       case EXTRA_API_GL:
-	 if (ctx->API == API_OPENGL) {
+	 if (_mesa_is_desktop_gl(ctx)) {
 	    total++;
 	    enabled++;
 	 }

src/mesa/main/getstring.c

@@ -41,6 +41,7 @@ shading_language_version(struct gl_context *ctx)
 {
    switch (ctx->API) {
    case API_OPENGL:
+   case API_OPENGL_CORE:
       if (!ctx->Extensions.ARB_shader_objects) {
          _mesa_error(ctx, GL_INVALID_ENUM, "glGetString");
          return (const GLubyte *) 0;

src/mesa/main/texformat.c

@@ -895,7 +895,7 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
    }
    /* GL_BGRA can be an internal format *only* in OpenGL ES (1.x or 2.0).
     */
-   if (ctx->API != API_OPENGL) {
+   if (_mesa_is_gles(ctx)) {
       switch (internalFormat) {
       case GL_BGRA:
 	 RETURN_IF_SUPPORTED(MESA_FORMAT_ARGB8888);

src/mesa/main/teximage.c

@@ -130,7 +130,7 @@ _mesa_base_tex_format( struct gl_context *ctx, GLint internalFormat )
 
    /* GL_BGRA can be an internal format *only* in OpenGL ES (1.x or 2.0).
     */
-   if (ctx->API != API_OPENGL) {
+   if (_mesa_is_gles(ctx)) {
       switch (internalFormat) {
          case GL_BGRA:
             return GL_RGBA;

src/mesa/main/varray.c

@@ -92,7 +92,7 @@ type_to_bit(const struct gl_context *ctx, GLenum type)
    case GL_DOUBLE:
       return DOUBLE_BIT;
    case GL_FIXED:
-      return ctx->API == API_OPENGL ? FIXED_GL_BIT : FIXED_ES_BIT;
+      return _mesa_is_desktop_gl(ctx) ? FIXED_GL_BIT : FIXED_ES_BIT;
    case GL_UNSIGNED_INT_2_10_10_10_REV:
       return UNSIGNED_INT_2_10_10_10_REV_BIT;
    case GL_INT_2_10_10_10_REV:

src/mesa/main/version.c

@@ -315,6 +315,7 @@ _mesa_compute_version(struct gl_context *ctx)
 
    switch (ctx->API) {
    case API_OPENGL:
+   case API_OPENGL_CORE:
       compute_version(ctx);
       break;
    case API_OPENGLES:

src/mesa/main/vtxfmt.c

@@ -209,7 +209,7 @@ install_vtxfmt( struct _glapi_table *tab, const GLvertexformat *vfmt )
 void
 _mesa_install_exec_vtxfmt(struct gl_context *ctx, const GLvertexformat *vfmt)
 {
-   if (ctx->API == API_OPENGL)
+   if (_mesa_is_desktop_gl(ctx))
       install_vtxfmt( ctx->Exec, vfmt );
 }
 
@@ -221,7 +221,7 @@ _mesa_install_exec_vtxfmt(struct gl_context *ctx, const GLvertexformat *vfmt)
 void
 _mesa_install_save_vtxfmt(struct gl_context *ctx, const GLvertexformat *vfmt)
 {
-   if (ctx->API == API_OPENGL)
+   if (_mesa_is_desktop_gl(ctx))
       install_vtxfmt( ctx->Save, vfmt );
 }