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Diffstat (limited to 'src/mesa/main/convolve.c')
-rw-r--r--src/mesa/main/convolve.c89
1 files changed, 23 insertions, 66 deletions
diff --git a/src/mesa/main/convolve.c b/src/mesa/main/convolve.c
index 714909f451..4d17f533d7 100644
--- a/src/mesa/main/convolve.c
+++ b/src/mesa/main/convolve.c
@@ -744,59 +744,35 @@ _mesa_GetSeparableFilter(GLenum target, GLenum format, GLenum type,
filter = &ctx->Separable2D;
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- /* Pack filter into PBO */
- GLubyte *buf;
- if (!_mesa_validate_pbo_access(1, &ctx->Pack, filter->Width, 1, 1,
- format, type, row)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetSeparableFilter(invalid PBO access, width)");
- return;
- }
- if (!_mesa_validate_pbo_access(1, &ctx->Pack, filter->Height, 1, 1,
- format, type, column)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetSeparableFilter(invalid PBO access, height)");
- return;
- }
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- GL_WRITE_ONLY_ARB,
- ctx->Pack.BufferObj);
- if (!buf) {
- /* buffer is already mapped - that's an error */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetSeparableFilter(PBO is mapped)");
- return;
- }
- row = ADD_POINTERS(buf, row);
- column = ADD_POINTERS(buf, column);
- }
-
- /* Row filter */
+ /* Get row filter */
+ row = _mesa_map_validate_pbo_dest(ctx, 1, &ctx->Pack,
+ filter->Width, 1, 1,
+ format, type, row,
+ "glGetConvolutionFilter");
if (row) {
GLvoid *dst = _mesa_image_address1d(&ctx->Pack, row, filter->Width,
format, type, 0);
_mesa_pack_rgba_span_float(ctx, filter->Width,
(GLfloat (*)[4]) filter->Filter,
format, type, dst, &ctx->Pack, 0x0);
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
}
- /* Column filter */
+ /* get column filter */
+ column = _mesa_map_validate_pbo_dest(ctx, 1, &ctx->Pack,
+ filter->Height, 1, 1,
+ format, type, row,
+ "glGetConvolutionFilter");
if (column) {
GLvoid *dst = _mesa_image_address1d(&ctx->Pack, column, filter->Height,
format, type, 0);
GLfloat (*src)[4] = (GLfloat (*)[4]) (filter->Filter + colStart);
_mesa_pack_rgba_span_float(ctx, filter->Height, src,
format, type, dst, &ctx->Pack, 0x0);
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
}
(void) span; /* unused at this time */
-
- if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
- /* Pack filter into PBO */
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- ctx->Unpack.BufferObj);
- }
}
@@ -847,41 +823,16 @@ _mesa_SeparableFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLs
ctx->Separable2D.Width = width;
ctx->Separable2D.Height = height;
- if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
- /* unpack filter from PBO */
- GLubyte *buf;
- if (!_mesa_validate_pbo_access(1, &ctx->Unpack, width, 1, 1,
- format, type, row)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glSeparableFilter2D(invalid PBO access, width)");
- return;
- }
- if (!_mesa_validate_pbo_access(1, &ctx->Unpack, height, 1, 1,
- format, type, column)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glSeparableFilter2D(invalid PBO access, height)");
- return;
- }
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_READ_ONLY_ARB,
- ctx->Unpack.BufferObj);
- if (!buf) {
- /* buffer is already mapped - that's an error */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glSeparableFilter2D(PBO is mapped)");
- return;
- }
- row = ADD_POINTERS(buf, row);
- column = ADD_POINTERS(buf, column);
- }
-
/* unpack row filter */
+ row = _mesa_map_validate_pbo_source(ctx, 1, &ctx->Unpack,
+ width, 1, 1,
+ format, type, row,
+ "glSeperableFilter2D");
if (row) {
_mesa_unpack_color_span_float(ctx, width, GL_RGBA,
ctx->Separable2D.Filter,
format, type, row, &ctx->Unpack,
- 0); /* transferOps */
-
+ 0x0); /* transferOps */
_mesa_scale_and_bias_rgba(width,
(GLfloat (*)[4]) ctx->Separable2D.Filter,
ctx->Pixel.ConvolutionFilterScale[2][0],
@@ -892,9 +843,14 @@ _mesa_SeparableFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLs
ctx->Pixel.ConvolutionFilterBias[2][1],
ctx->Pixel.ConvolutionFilterBias[2][2],
ctx->Pixel.ConvolutionFilterBias[2][3]);
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
}
/* unpack column filter */
+ column = _mesa_map_validate_pbo_source(ctx, 1, &ctx->Unpack,
+ height, 1, 1,
+ format, type, row,
+ "glSeperableFilter2D");
if (column) {
_mesa_unpack_color_span_float(ctx, height, GL_RGBA,
&ctx->Separable2D.Filter[colStart],
@@ -911,6 +867,7 @@ _mesa_SeparableFilter2D(GLenum target, GLenum internalFormat, GLsizei width, GLs
ctx->Pixel.ConvolutionFilterBias[2][1],
ctx->Pixel.ConvolutionFilterBias[2][2],
ctx->Pixel.ConvolutionFilterBias[2][3]);
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
}
if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {