* \author Brian Paul, Ian Romanick
*/
-
+#include <stdbool.h>
#include "glheader.h"
#include "enums.h"
#include "hash.h"
static inline struct gl_buffer_object **
get_buffer_target(struct gl_context *ctx, GLenum target)
{
+ /* Other targets are only supported in desktop OpenGL and OpenGL ES 3.0.
+ */
+ if (!_mesa_is_desktop_gl(ctx) && !_mesa_is_gles3(ctx)
+ && target != GL_ARRAY_BUFFER && target != GL_ELEMENT_ARRAY_BUFFER)
+ return NULL;
+
switch (target) {
case GL_ARRAY_BUFFER_ARB:
return &ctx->Array.ArrayBufferObj;
return &ctx->CopyReadBuffer;
case GL_COPY_WRITE_BUFFER:
return &ctx->CopyWriteBuffer;
-#if FEATURE_EXT_transform_feedback
case GL_TRANSFORM_FEEDBACK_BUFFER:
if (ctx->Extensions.EXT_transform_feedback) {
return &ctx->TransformFeedback.CurrentBuffer;
}
break;
-#endif
case GL_TEXTURE_BUFFER:
- if (ctx->Extensions.ARB_texture_buffer_object) {
+ if (_mesa_is_desktop_gl(ctx)
+ && ctx->Extensions.ARB_texture_buffer_object) {
return &ctx->Texture.BufferObject;
}
break;
{
(void) ctx;
- if (bufObj->Data)
- free(bufObj->Data);
+ free(bufObj->Data);
/* assign strange values here to help w/ debugging */
bufObj->RefCount = -1000;
else {
/* non-default buffer object */
newBufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (newBufObj == NULL && ctx->API == API_OPENGL_CORE) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBindBuffer(non-gen name)");
+ return;
+ }
handle_bind_buffer_gen(ctx, target, buffer, &newBufObj);
}
{
GET_CURRENT_CONTEXT(ctx);
struct gl_buffer_object *bufObj;
+ bool valid_usage;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (MESA_VERBOSE & VERBOSE_API)
switch (usage) {
case GL_STREAM_DRAW_ARB:
+ valid_usage = (ctx->API != API_OPENGLES);
+ break;
+
+ case GL_STATIC_DRAW_ARB:
+ case GL_DYNAMIC_DRAW_ARB:
+ valid_usage = true;
+ break;
+
case GL_STREAM_READ_ARB:
case GL_STREAM_COPY_ARB:
- case GL_STATIC_DRAW_ARB:
case GL_STATIC_READ_ARB:
case GL_STATIC_COPY_ARB:
- case GL_DYNAMIC_DRAW_ARB:
case GL_DYNAMIC_READ_ARB:
case GL_DYNAMIC_COPY_ARB:
- /* OK */
+ valid_usage = _mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx);
break;
+
default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glBufferDataARB(usage)");
+ valid_usage = false;
+ break;
+ }
+
+ if (!valid_usage) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBufferData(usage)");
return;
}
struct gl_buffer_object * bufObj;
GLbitfield accessFlags;
void *map;
+ bool valid_access;
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, NULL);
switch (access) {
case GL_READ_ONLY_ARB:
accessFlags = GL_MAP_READ_BIT;
+ valid_access = _mesa_is_desktop_gl(ctx);
break;
case GL_WRITE_ONLY_ARB:
accessFlags = GL_MAP_WRITE_BIT;
+ valid_access = true;
break;
case GL_READ_WRITE_ARB:
accessFlags = GL_MAP_READ_BIT | GL_MAP_WRITE_BIT;
+ valid_access = _mesa_is_desktop_gl(ctx);
break;
default:
+ valid_access = false;
+ break;
+ }
+
+ if (!valid_access) {
_mesa_error(ctx, GL_INVALID_ENUM, "glMapBufferARB(access)");
return NULL;
}
*params = _mesa_bufferobj_mapped(bufObj);
return;
case GL_BUFFER_ACCESS_FLAGS:
- if (!ctx->Extensions.ARB_map_buffer_range)
+ if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_map_buffer_range)
+ && !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = bufObj->AccessFlags;
return;
case GL_BUFFER_MAP_OFFSET:
- if (!ctx->Extensions.ARB_map_buffer_range)
+ if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_map_buffer_range)
+ && !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = (GLint) bufObj->Offset;
return;
case GL_BUFFER_MAP_LENGTH:
- if (!ctx->Extensions.ARB_map_buffer_range)
+ if ((!_mesa_is_desktop_gl(ctx) || !ctx->Extensions.ARB_map_buffer_range)
+ && !_mesa_is_gles3(ctx))
goto invalid_pname;
*params = (GLint) bufObj->Length;
return;
}
-#if FEATURE_APPLE_object_purgeable
static GLenum
buffer_object_purgeable(struct gl_context *ctx, GLuint name, GLenum option)
{
}
}
-#endif /* FEATURE_APPLE_object_purgeable */
-
static void
set_ubo_binding(struct gl_context *ctx,
int index,
}
}
+static void GLAPIENTRY
+_mesa_InvalidateBufferSubData(GLuint buffer, GLintptr offset,
+ GLsizeiptr length)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+ const GLintptr end = offset + length;
+
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glInvalidateBufferSubData(name = 0x%x) invalid object",
+ buffer);
+ return;
+ }
+
+ /* The GL_ARB_invalidate_subdata spec says:
+ *
+ * "An INVALID_VALUE error is generated if <offset> or <length> is
+ * negative, or if <offset> + <length> is greater than the value of
+ * BUFFER_SIZE."
+ */
+ if (end < 0 || end > bufObj->Size) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glInvalidateBufferSubData(invalid offset or length)");
+ return;
+ }
+
+ /* The GL_ARB_invalidate_subdata spec says:
+ *
+ * "An INVALID_OPERATION error is generated if the buffer is currently
+ * mapped by MapBuffer, or if the invalidate range intersects the range
+ * currently mapped by MapBufferRange."
+ */
+ if (_mesa_bufferobj_mapped(bufObj)) {
+ const GLintptr mapEnd = bufObj->Offset + bufObj->Length;
+
+ /* The regions do not overlap if and only if the end of the discard
+ * region is before the mapped region or the start of the discard region
+ * is after the mapped region.
+ *
+ * Note that 'end' and 'mapEnd' are the first byte *after* the discard
+ * region and the mapped region, repsectively. It is okay for that byte
+ * to be mapped (for 'end') or discarded (for 'mapEnd').
+ */
+ if (!(end <= bufObj->Offset || offset >= mapEnd)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glInvalidateBufferSubData(intersection with mapped "
+ "range)");
+ return;
+ }
+ }
+
+ /* We don't actually do anything for this yet. Just return after
+ * validating the parameters and generating the required errors.
+ */
+ return;
+}
+
+static void GLAPIENTRY
+_mesa_InvalidateBufferData(GLuint buffer)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_buffer_object *bufObj;
+
+ bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+ if (!bufObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glInvalidateBufferData(name = 0x%x) invalid object",
+ buffer);
+ return;
+ }
+
+ /* The GL_ARB_invalidate_subdata spec says:
+ *
+ * "An INVALID_OPERATION error is generated if the buffer is currently
+ * mapped by MapBuffer, or if the invalidate range intersects the range
+ * currently mapped by MapBufferRange."
+ */
+ if (_mesa_bufferobj_mapped(bufObj)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glInvalidateBufferData(intersection with mapped "
+ "range)");
+ return;
+ }
+
+ /* We don't actually do anything for this yet. Just return after
+ * validating the parameters and generating the required errors.
+ */
+ return;
+}
+
void
-_mesa_init_bufferobj_dispatch(struct _glapi_table *disp)
+_mesa_init_bufferobj_dispatch(struct gl_context *ctx, struct _glapi_table *disp)
{
SET_BindBufferARB(disp, _mesa_BindBufferARB);
SET_BufferDataARB(disp, _mesa_BufferDataARB);
SET_GenBuffersARB(disp, _mesa_GenBuffersARB);
SET_GetBufferParameterivARB(disp, _mesa_GetBufferParameterivARB);
SET_GetBufferPointervARB(disp, _mesa_GetBufferPointervARB);
- SET_GetBufferSubDataARB(disp, _mesa_GetBufferSubDataARB);
+ if (ctx->API != API_OPENGLES2) {
+ SET_GetBufferSubDataARB(disp, _mesa_GetBufferSubDataARB);
+ }
SET_IsBufferARB(disp, _mesa_IsBufferARB);
SET_MapBufferARB(disp, _mesa_MapBufferARB);
SET_UnmapBufferARB(disp, _mesa_UnmapBufferARB);
- SET_BindBufferRangeEXT(disp, _mesa_BindBufferRange);
- SET_BindBufferBaseEXT(disp, _mesa_BindBufferBase);
+
+ if (_mesa_is_desktop_gl(ctx) || _mesa_is_gles3(ctx)) {
+ SET_BindBufferRangeEXT(disp, _mesa_BindBufferRange);
+ SET_BindBufferBaseEXT(disp, _mesa_BindBufferBase);
+ }
+
+ if (_mesa_is_desktop_gl(ctx)) {
+ SET_InvalidateBufferData(disp, _mesa_InvalidateBufferData);
+ SET_InvalidateBufferSubData(disp, _mesa_InvalidateBufferSubData);
+ }
}
projects / mesa.git / blobdiff