#include "scissor.h"
#include "shared.h"
#include "shaderobj.h"
+#include "shaderimage.h"
#include "util/simple_list.h"
#include "state.h"
#include "stencil.h"
_mesa_init_feedback( ctx );
_mesa_init_fog( ctx );
_mesa_init_hint( ctx );
+ _mesa_init_image_units( ctx );
_mesa_init_line( ctx );
_mesa_init_lighting( ctx );
_mesa_init_matrix( ctx );
}
+/* XXX this is temporary and should be removed at some point in the
+ * future when there's a reasonable expectation that the libGL library
+ * contains the _glapi_new_nop_table() and _glapi_set_nop_handler()
+ * functions which were added in Mesa 10.6.
+ */
+#if !defined(_WIN32)
+/* Avoid libGL / driver ABI break */
+#define USE_GLAPI_NOP_FEATURES 0
+#else
+#define USE_GLAPI_NOP_FEATURES 1
+#endif
+
+
/**
* This function is called by the glapi no-op functions. For each OpenGL
* function/entrypoint there's a simple no-op function. These "no-op"
* If there's no current OpenGL context for the calling thread, we can
* print a message to stderr.
*
- * \param name the name of the OpenGL function, without the "gl" prefix
+ * \param name the name of the OpenGL function
*/
+#if USE_GLAPI_NOP_FEATURES
static void
nop_handler(const char *name)
{
GET_CURRENT_CONTEXT(ctx);
if (ctx) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "gl%s(invalid call)", name);
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(invalid call)", name);
}
#if defined(DEBUG)
else if (getenv("MESA_DEBUG") || getenv("LIBGL_DEBUG")) {
}
#endif
}
+#endif
/**
static void GLAPIENTRY
nop_glFlush(void)
{
- /* don't record an error like we do in _mesa_generic_nop() */
+ /* don't record an error like we do in nop_handler() */
}
#endif
+#if !USE_GLAPI_NOP_FEATURES
+static int
+generic_nop(void)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "unsupported function called "
+ "(unsupported extension or deprecated function?)");
+ return 0;
+}
+#endif
+
+
+/**
+ * Create a new API dispatch table in which all entries point to the
+ * generic_nop() function. This will not work on Windows because of
+ * the __stdcall convention which requires the callee to clean up the
+ * call stack. That's impossible with one generic no-op function.
+ */
+struct _glapi_table *
+_mesa_new_nop_table(unsigned numEntries)
+{
+ struct _glapi_table *table;
+
+#if !USE_GLAPI_NOP_FEATURES
+ table = malloc(numEntries * sizeof(_glapi_proc));
+ if (table) {
+ _glapi_proc *entry = (_glapi_proc *) table;
+ unsigned i;
+ for (i = 0; i < numEntries; i++) {
+ entry[i] = (_glapi_proc) generic_nop;
+ }
+ }
+#else
+ table = _glapi_new_nop_table(numEntries);
+#endif
+ return table;
+}
+
+
/**
* Allocate and initialize a new dispatch table. The table will be
* populated with pointers to "no-op" functions. In turn, the no-op
{
/* 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
- * Mesa we do this to accomodate different versions of libGL and various
+ * Mesa we do this to accommodate different versions of libGL and various
* DRI drivers.
*/
- GLint numEntries = MAX2(_glapi_get_dispatch_table_size(), _gloffset_COUNT);
- struct _glapi_table *table = _glapi_new_nop_table(numEntries);
+ int numEntries = MAX2(_glapi_get_dispatch_table_size(), _gloffset_COUNT);
+
+ struct _glapi_table *table = _mesa_new_nop_table(numEntries);
#if defined(_WIN32)
if (table) {
}
#endif
+#if USE_GLAPI_NOP_FEATURES
_glapi_set_nop_handler(nop_handler);
+#endif
return table;
}
else
buffer = GL_FRONT;
- _mesa_drawbuffers(ctx, 1, &buffer, NULL /* destMask */);
+ _mesa_drawbuffers(ctx, ctx->DrawBuffer, 1, &buffer,
+ NULL /* destMask */);
}
if (ctx->ReadBuffer != _mesa_get_incomplete_framebuffer()) {
bufferIndex = BUFFER_FRONT_LEFT;
}
- _mesa_readbuffer(ctx, buffer, bufferIndex);
+ _mesa_readbuffer(ctx, ctx->ReadBuffer, buffer, bufferIndex);
}
}