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Diffstat (limited to 'src/mesa/main/pixel.c')
-rw-r--r--src/mesa/main/pixel.c265
1 files changed, 105 insertions, 160 deletions
diff --git a/src/mesa/main/pixel.c b/src/mesa/main/pixel.c
index 8d24a201f0..23a5c9b9f7 100644
--- a/src/mesa/main/pixel.c
+++ b/src/mesa/main/pixel.c
@@ -36,6 +36,10 @@
#include "macros.h"
#include "pixel.h"
#include "mtypes.h"
+#include "glapi/dispatch.h"
+
+
+#if FEATURE_pixel_transfer
/**********************************************************************/
@@ -136,6 +140,33 @@ store_pixelmap(GLcontext *ctx, GLenum map, GLsizei mapsize,
}
+/**
+ * Convenience wrapper for _mesa_validate_pbo_access() for gl[Get]PixelMap().
+ */
+static GLboolean
+validate_pbo_access(GLcontext *ctx, struct gl_pixelstore_attrib *pack,
+ GLsizei mapsize, GLenum format, GLenum type,
+ const GLvoid *ptr)
+{
+ GLboolean ok;
+
+ /* Note, need to use DefaultPacking and Unpack's buffer object */
+ ctx->DefaultPacking.BufferObj = pack->BufferObj;
+
+ ok = _mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
+ format, type, ptr);
+
+ /* restore */
+ ctx->DefaultPacking.BufferObj = ctx->Shared->NullBufferObj;
+
+ if (!ok) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glPixelMap(invalid PBO access)");
+ }
+ return ok;
+}
+
+
void GLAPIENTRY
_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values )
{
@@ -158,40 +189,23 @@ _mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values )
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- if (ctx->Unpack.BufferObj->Name) {
- /* unpack pixelmap from PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Unpack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_FLOAT, values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMapfv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- 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 */
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
+ GL_INTENSITY, GL_FLOAT, values)) {
+ return;
+ }
+
+ values = (const GLfloat *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapfv(PBO is mapped)");
- return;
}
- values = (const GLfloat *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
store_pixelmap(ctx, map, mapsize, values);
- if (ctx->Unpack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- ctx->Unpack.BufferObj);
- }
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
}
@@ -217,31 +231,17 @@ _mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values )
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- if (ctx->Unpack.BufferObj->Name) {
- /* unpack pixelmap from PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Unpack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_UNSIGNED_INT, values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMapuiv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- 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 */
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
+ GL_INTENSITY, GL_UNSIGNED_INT, values)) {
+ return;
+ }
+
+ values = (const GLuint *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapuiv(PBO is mapped)");
- return;
}
- values = (const GLuint *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
@@ -259,10 +259,7 @@ _mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values )
}
}
- if (ctx->Unpack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- ctx->Unpack.BufferObj);
- }
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
store_pixelmap(ctx, map, mapsize, fvalues);
}
@@ -290,32 +287,17 @@ _mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values )
FLUSH_VERTICES(ctx, _NEW_PIXEL);
- if (ctx->Unpack.BufferObj->Name) {
- /* unpack pixelmap from PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Unpack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Unpack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_UNSIGNED_SHORT,
- values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glPixelMapusv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- 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 */
+ if (!validate_pbo_access(ctx, &ctx->Unpack, mapsize,
+ GL_INTENSITY, GL_UNSIGNED_SHORT, values)) {
+ return;
+ }
+
+ values = (const GLushort *) _mesa_map_pbo_source(ctx, &ctx->Unpack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glPixelMapusv(PBO is mapped)");
- return;
}
- values = (const GLushort *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
@@ -333,10 +315,7 @@ _mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values )
}
}
- if (ctx->Unpack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- ctx->Unpack.BufferObj);
- }
+ _mesa_unmap_pbo_source(ctx, &ctx->Unpack);
store_pixelmap(ctx, map, mapsize, fvalues);
}
@@ -359,31 +338,17 @@ _mesa_GetPixelMapfv( GLenum map, GLfloat *values )
mapsize = pm->Size;
- if (ctx->Pack.BufferObj->Name) {
- /* pack pixelmap into PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Pack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_FLOAT, values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPixelMapfv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- 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 */
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
+ GL_INTENSITY, GL_FLOAT, values)) {
+ return;
+ }
+
+ values = (GLfloat *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapfv(PBO is mapped)");
- return;
}
- values = (GLfloat *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
@@ -397,10 +362,7 @@ _mesa_GetPixelMapfv( GLenum map, GLfloat *values )
MEMCPY(values, pm->Map, mapsize * sizeof(GLfloat));
}
- if (ctx->Pack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- ctx->Pack.BufferObj);
- }
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
}
@@ -420,31 +382,17 @@ _mesa_GetPixelMapuiv( GLenum map, GLuint *values )
}
mapsize = pm->Size;
- if (ctx->Pack.BufferObj->Name) {
- /* pack pixelmap into PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Pack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_UNSIGNED_INT, values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPixelMapuiv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- 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 */
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
+ GL_INTENSITY, GL_UNSIGNED_INT, values)) {
+ return;
+ }
+
+ values = (GLuint *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapuiv(PBO is mapped)");
- return;
}
- values = (GLuint *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
@@ -458,10 +406,7 @@ _mesa_GetPixelMapuiv( GLenum map, GLuint *values )
}
}
- if (ctx->Pack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- ctx->Pack.BufferObj);
- }
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
}
@@ -481,32 +426,17 @@ _mesa_GetPixelMapusv( GLenum map, GLushort *values )
}
mapsize = pm ? pm->Size : 0;
- if (ctx->Pack.BufferObj->Name) {
- /* pack pixelmap into PBO */
- GLubyte *buf;
- /* Note, need to use DefaultPacking and Pack's buffer object */
- ctx->DefaultPacking.BufferObj = ctx->Pack.BufferObj;
- if (!_mesa_validate_pbo_access(1, &ctx->DefaultPacking, mapsize, 1, 1,
- GL_INTENSITY, GL_UNSIGNED_SHORT,
- values)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glGetPixelMapusv(invalid PBO access)");
- return;
- }
- /* restore */
- ctx->DefaultPacking.BufferObj = ctx->Array.NullBufferObj;
- 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 */
+ if (!validate_pbo_access(ctx, &ctx->Pack, mapsize,
+ GL_INTENSITY, GL_UNSIGNED_SHORT, values)) {
+ return;
+ }
+
+ values = (GLushort *) _mesa_map_pbo_dest(ctx, &ctx->Pack, values);
+ if (!values) {
+ if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glGetPixelMapusv(PBO is mapped)");
- return;
}
- values = (GLushort *) ADD_POINTERS(buf, values);
- }
- else if (!values) {
return;
}
@@ -528,10 +458,7 @@ _mesa_GetPixelMapusv( GLenum map, GLushort *values )
}
}
- if (ctx->Pack.BufferObj->Name) {
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_PACK_BUFFER_EXT,
- ctx->Pack.BufferObj);
- }
+ _mesa_unmap_pbo_dest(ctx, &ctx->Pack);
}
@@ -819,7 +746,7 @@ update_image_transfer_state(GLcontext *ctx)
/**
- * Update meas pixel transfer derived state.
+ * Update mesa pixel transfer derived state.
*/
void _mesa_update_pixel( GLcontext *ctx, GLuint new_state )
{
@@ -828,11 +755,29 @@ void _mesa_update_pixel( GLcontext *ctx, GLuint new_state )
/* References ColorMatrix.type (derived above).
*/
- if (new_state & _IMAGE_NEW_TRANSFER_STATE)
+ if (new_state & _MESA_NEW_TRANSFER_STATE)
update_image_transfer_state(ctx);
}
+void
+_mesa_init_pixel_dispatch(struct _glapi_table *disp)
+{
+ SET_GetPixelMapfv(disp, _mesa_GetPixelMapfv);
+ SET_GetPixelMapuiv(disp, _mesa_GetPixelMapuiv);
+ SET_GetPixelMapusv(disp, _mesa_GetPixelMapusv);
+ SET_PixelMapfv(disp, _mesa_PixelMapfv);
+ SET_PixelMapuiv(disp, _mesa_PixelMapuiv);
+ SET_PixelMapusv(disp, _mesa_PixelMapusv);
+ SET_PixelTransferf(disp, _mesa_PixelTransferf);
+ SET_PixelTransferi(disp, _mesa_PixelTransferi);
+ SET_PixelZoom(disp, _mesa_PixelZoom);
+}
+
+
+#endif /* FEATURE_pixel_transfer */
+
+
/**********************************************************************/
/***** Initialization *****/
/**********************************************************************/
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-04 19:12:23 +0000