diff options
Diffstat (limited to 'src/mesa/main/bufferobj.c')
-rw-r--r-- | src/mesa/main/bufferobj.c | 99 |
1 files changed, 66 insertions, 33 deletions
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c index f6bc333c828..24ba45864a2 100644 --- a/src/mesa/main/bufferobj.c +++ b/src/mesa/main/bufferobj.c @@ -766,11 +766,11 @@ _mesa_buffer_unmap(struct gl_context *ctx, struct gl_buffer_object *bufObj, * Called via glCopyBufferSubData(). */ static void -_mesa_copy_buffer_subdata(struct gl_context *ctx, - struct gl_buffer_object *src, - struct gl_buffer_object *dst, - GLintptr readOffset, GLintptr writeOffset, - GLsizeiptr size) +copy_buffer_sub_data_fallback(struct gl_context *ctx, + struct gl_buffer_object *src, + struct gl_buffer_object *dst, + GLintptr readOffset, GLintptr writeOffset, + GLsizeiptr size) { GLubyte *srcPtr, *dstPtr; @@ -1125,7 +1125,7 @@ _mesa_init_buffer_object_functions(struct dd_function_table *driver) driver->FlushMappedBufferRange = _mesa_buffer_flush_mapped_range; /* GL_ARB_copy_buffer */ - driver->CopyBufferSubData = _mesa_copy_buffer_subdata; + driver->CopyBufferSubData = copy_buffer_sub_data_fallback; } @@ -2130,65 +2130,54 @@ _mesa_GetBufferPointerv(GLenum target, GLenum pname, GLvoid **params) } -void GLAPIENTRY -_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, - GLintptr readOffset, GLintptr writeOffset, - GLsizeiptr size) +void +_mesa_copy_buffer_sub_data(struct gl_context *ctx, + struct gl_buffer_object *src, + struct gl_buffer_object *dst, + GLintptr readOffset, GLintptr writeOffset, + GLsizeiptr size, const char *func) { - GET_CURRENT_CONTEXT(ctx); - struct gl_buffer_object *src, *dst; - - src = get_buffer(ctx, "glCopyBufferSubData", readTarget, - GL_INVALID_OPERATION); - if (!src) - return; - - dst = get_buffer(ctx, "glCopyBufferSubData", writeTarget, - GL_INVALID_OPERATION); - if (!dst) - return; - if (_mesa_check_disallowed_mapping(src)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glCopyBufferSubData(readBuffer is mapped)"); + "%s(readBuffer is mapped)", func); return; } if (_mesa_check_disallowed_mapping(dst)) { _mesa_error(ctx, GL_INVALID_OPERATION, - "glCopyBufferSubData(writeBuffer is mapped)"); + "%s(writeBuffer is mapped)", func); return; } if (readOffset < 0) { _mesa_error(ctx, GL_INVALID_VALUE, - "glCopyBufferSubData(readOffset = %d)", (int) readOffset); + "%s(readOffset %d < 0)", func, (int) readOffset); return; } if (writeOffset < 0) { _mesa_error(ctx, GL_INVALID_VALUE, - "glCopyBufferSubData(writeOffset = %d)", (int) writeOffset); + "%s(writeOffset %d < 0)", func, (int) writeOffset); return; } if (size < 0) { _mesa_error(ctx, GL_INVALID_VALUE, - "glCopyBufferSubData(writeOffset = %d)", (int) size); + "%s(size %d < 0)", func, (int) size); return; } if (readOffset + size > src->Size) { _mesa_error(ctx, GL_INVALID_VALUE, - "glCopyBufferSubData(readOffset + size = %d)", - (int) (readOffset + size)); + "%s(readOffset %d + size %d > src_buffer_size %d)", func, + (int) readOffset, (int) size, (int) src->Size); return; } if (writeOffset + size > dst->Size) { _mesa_error(ctx, GL_INVALID_VALUE, - "glCopyBufferSubData(writeOffset + size = %d)", - (int) (writeOffset + size)); + "%s(writeOffset %d + size %d > dst_buffer_size %d)", func, + (int) writeOffset, (int) size, (int) dst->Size); return; } @@ -2202,7 +2191,7 @@ _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, else { /* overlapping src/dst is illegal */ _mesa_error(ctx, GL_INVALID_VALUE, - "glCopyBufferSubData(overlapping src/dst)"); + "%s(overlapping src/dst)", func); return; } } @@ -2210,6 +2199,50 @@ _mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, ctx->Driver.CopyBufferSubData(ctx, src, dst, readOffset, writeOffset, size); } +void GLAPIENTRY +_mesa_CopyBufferSubData(GLenum readTarget, GLenum writeTarget, + GLintptr readOffset, GLintptr writeOffset, + GLsizeiptr size) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *src, *dst; + + src = get_buffer(ctx, "glCopyBufferSubData", readTarget, + GL_INVALID_OPERATION); + if (!src) + return; + + dst = get_buffer(ctx, "glCopyBufferSubData", writeTarget, + GL_INVALID_OPERATION); + if (!dst) + return; + + _mesa_copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size, + "glCopyBufferSubData"); +} + +void GLAPIENTRY +_mesa_CopyNamedBufferSubData(GLuint readBuffer, GLuint writeBuffer, + GLintptr readOffset, GLintptr writeOffset, + GLsizeiptr size) +{ + GET_CURRENT_CONTEXT(ctx); + struct gl_buffer_object *src, *dst; + + src = _mesa_lookup_bufferobj_err(ctx, readBuffer, + "glCopyNamedBufferSubData"); + if (!src) + return; + + dst = _mesa_lookup_bufferobj_err(ctx, writeBuffer, + "glCopyNamedBufferSubData"); + if (!dst) + return; + + _mesa_copy_buffer_sub_data(ctx, src, dst, readOffset, writeOffset, size, + "glCopyNamedBufferSubData"); +} + /** * See GL_ARB_map_buffer_range spec |