#include "imports.h"
#include "accum.h"
#include "api_exec.h"
+#include "api_loopback.h"
#include "arrayobj.h"
#include "attrib.h"
#include "blend.h"
ctx->Const.MaxTextureMaxAnisotropy = MAX_TEXTURE_MAX_ANISOTROPY;
ctx->Const.MaxTextureLodBias = MAX_TEXTURE_LOD_BIAS;
ctx->Const.MaxTextureBufferSize = 65536;
+ ctx->Const.TextureBufferOffsetAlignment = 1;
ctx->Const.MaxArrayLockSize = MAX_ARRAY_LOCK_SIZE;
ctx->Const.SubPixelBits = SUB_PIXEL_BITS;
ctx->Const.MinPointSize = MIN_POINT_SIZE;
/* PrimitiveRestart */
ctx->Const.PrimitiveRestartInSoftware = GL_FALSE;
+
+ /* ES 3.0 or ARB_ES3_compatibility */
+ ctx->Const.MaxElementIndex = 0xffffffffu;
}
assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS);
/* Max texture size should be <= max viewport size (render to texture) */
- assert((1 << (ctx->Const.MaxTextureLevels - 1))
+ assert((1U << (ctx->Const.MaxTextureLevels - 1))
<= ctx->Const.MaxViewportWidth);
- assert((1 << (ctx->Const.MaxTextureLevels - 1))
+ assert((1U << (ctx->Const.MaxTextureLevels - 1))
<= ctx->Const.MaxViewportHeight);
assert(ctx->Const.MaxDrawBuffers <= MAX_DRAW_BUFFERS);
* Allocate and initialize a new dispatch table.
*/
struct _glapi_table *
-_mesa_alloc_dispatch_table(int size)
+_mesa_alloc_dispatch_table()
{
/* Find the larger of Mesa's dispatch table and libGL's dispatch table.
* In practice, this'll be the same for stand-alone Mesa. But for DRI
GLint numEntries = MAX2(_glapi_get_dispatch_table_size(), _gloffset_COUNT);
struct _glapi_table *table;
- /* should never happen, but just in case */
- numEntries = MAX2(numEntries, size);
-
table = malloc(numEntries * sizeof(_glapi_proc));
if (table) {
_glapi_proc *entry = (_glapi_proc *) table;
return table;
}
+/**
+ * Creates a minimal dispatch table for use within glBegin()/glEnd().
+ *
+ * This ensures that we generate GL_INVALID_OPERATION errors from most
+ * functions, since the set of functions that are valid within Begin/End is
+ * very small.
+ *
+ * From the GL 1.0 specification section 2.6.3, "GL Commands within
+ * Begin/End"
+ *
+ * "The only GL commands that are allowed within any Begin/End pairs are
+ * the commands for specifying vertex coordinates, vertex color, normal
+ * coordinates, and texture coordinates (Vertex, Color, Index, Normal,
+ * TexCoord), EvalCoord and EvalPoint commands (see section 5.1),
+ * commands for specifying lighting material parameters (Material
+ * commands see section 2.12.2), display list invocation commands
+ * (CallList and CallLists see section 5.4), and the EdgeFlag
+ * command. Executing Begin after Begin has already been executed but
+ * before an End is issued generates the INVALID OPERATION error, as does
+ * executing End without a previous corresponding Begin. Executing any
+ * other GL command within Begin/End results in the error INVALID
+ * OPERATION."
+ *
+ * The table entries for specifying vertex attributes are set up by
+ * install_vtxfmt() and _mesa_loopback_init_api_table(), and End() and dlists
+ * are set by install_vtxfmt() as well.
+ */
+static struct _glapi_table *
+create_beginend_table(const struct gl_context *ctx)
+{
+ struct _glapi_table *table;
+
+ table = _mesa_alloc_dispatch_table();
+ if (!table)
+ return NULL;
+
+ /* Fill in functions which return a value, since they should return some
+ * specific value even if they emit a GL_INVALID_OPERATION error from them
+ * being called within glBegin()/glEnd().
+ */
+#define COPY_DISPATCH(func) SET_##func(table, GET_##func(ctx->Exec))
+
+ COPY_DISPATCH(GenLists);
+ COPY_DISPATCH(IsProgram);
+ COPY_DISPATCH(IsVertexArray);
+ COPY_DISPATCH(IsBuffer);
+ COPY_DISPATCH(IsEnabled);
+ COPY_DISPATCH(IsEnabledi);
+ COPY_DISPATCH(IsRenderbuffer);
+ COPY_DISPATCH(IsFramebuffer);
+ COPY_DISPATCH(CheckFramebufferStatus);
+ COPY_DISPATCH(RenderMode);
+ COPY_DISPATCH(GetString);
+ COPY_DISPATCH(GetStringi);
+ COPY_DISPATCH(GetPointerv);
+ COPY_DISPATCH(IsQuery);
+ COPY_DISPATCH(IsSampler);
+ COPY_DISPATCH(IsSync);
+ COPY_DISPATCH(IsTexture);
+ COPY_DISPATCH(IsTransformFeedback);
+ COPY_DISPATCH(DeleteQueries);
+ COPY_DISPATCH(AreTexturesResident);
+ COPY_DISPATCH(FenceSync);
+ COPY_DISPATCH(ClientWaitSync);
+ COPY_DISPATCH(MapBuffer);
+ COPY_DISPATCH(UnmapBuffer);
+ COPY_DISPATCH(MapBufferRange);
+ COPY_DISPATCH(MapBufferRange);
+ COPY_DISPATCH(ObjectPurgeableAPPLE);
+ COPY_DISPATCH(ObjectUnpurgeableAPPLE);
+
+ _mesa_loopback_init_api_table(ctx, table);
+
+ return table;
+}
+
+void
+_mesa_initialize_dispatch_tables(struct gl_context *ctx)
+{
+ /* Do the code-generated setup of the exec table in api_exec.c. */
+ _mesa_initialize_exec_table(ctx);
+
+ if (ctx->Save)
+ _mesa_initialize_save_table(ctx);
+}
/**
* Initialize a struct gl_context struct (rendering context).
_mesa_reference_shared_state(ctx, &ctx->Shared, shared);
- if (!init_attrib_groups( ctx )) {
- _mesa_reference_shared_state(ctx, &ctx->Shared, NULL);
- return GL_FALSE;
- }
+ if (!init_attrib_groups( ctx ))
+ goto fail;
- /* setup the API dispatch tables */
- ctx->Exec = _mesa_create_exec_table(ctx);
-
- if (!ctx->Exec) {
- _mesa_reference_shared_state(ctx, &ctx->Shared, NULL);
- return GL_FALSE;
- }
- ctx->CurrentDispatch = ctx->Exec;
+ /* setup the API dispatch tables with all nop functions */
+ ctx->OutsideBeginEnd = _mesa_alloc_dispatch_table();
+ if (!ctx->OutsideBeginEnd)
+ goto fail;
+ ctx->Exec = ctx->OutsideBeginEnd;
+ ctx->CurrentDispatch = ctx->OutsideBeginEnd;
ctx->FragmentProgram._MaintainTexEnvProgram
= (_mesa_getenv("MESA_TEX_PROG") != NULL);
sizeof(ctx->TextureFormatSupported));
switch (ctx->API) {
- case API_OPENGL:
- ctx->Save = _mesa_create_save_table(ctx);
- if (!ctx->Save) {
- _mesa_reference_shared_state(ctx, &ctx->Shared, NULL);
- free(ctx->Exec);
- return GL_FALSE;
- }
+ case API_OPENGL_COMPAT:
+ ctx->BeginEnd = create_beginend_table(ctx);
+ ctx->Save = _mesa_alloc_dispatch_table();
+ if (!ctx->BeginEnd || !ctx->Save)
+ goto fail;
- _mesa_install_save_vtxfmt( ctx, &ctx->ListState.ListVtxfmt );
/* fall-through */
case API_OPENGL_CORE:
break;
case API_OPENGLES2:
ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
- ctx->Point.PointSprite = GL_TRUE; /* always on for ES 2.x */
break;
}
ctx->FirstTimeCurrent = GL_TRUE;
return GL_TRUE;
+
+fail:
+ free(ctx->BeginEnd);
+ free(ctx->Exec);
+ free(ctx->Save);
+ return GL_FALSE;
}
}
if (newCtx->FirstTimeCurrent) {
- _mesa_compute_version(newCtx);
+ assert(newCtx->Version > 0);
newCtx->Extensions.String = _mesa_make_extension_string(newCtx);
if (ctx->ErrorValue == GL_NO_ERROR) {
ctx->ErrorValue = error;
}
-
- /* Call device driver's error handler, if any. This is used on the Mac. */
- if (ctx->Driver.Error) {
- ctx->Driver.Error(ctx);
- }
}
projects / mesa.git / blobdiff