/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
*/
#include "glheader.h"
#include "imports.h"
+#include "api_validate.h"
#include "bufferobj.h"
#include "context.h"
#include "drawpix.h"
+#include "enums.h"
#include "feedback.h"
#include "framebuffer.h"
#include "image.h"
-#include "readpix.h"
+#include "pbo.h"
#include "state.h"
+#include "dispatch.h"
+#include "glformats.h"
+#include "fbobject.h"
-#if _HAVE_FULL_GL
-
/*
* Execute glDrawPixels
*/
_mesa_DrawPixels( GLsizei width, GLsizei height,
GLenum format, GLenum type, const GLvoid *pixels )
{
+ GLenum err;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (width < 0 || height < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE, "glDrawPixels(width or height < 0" );
- return;
- }
+ FLUSH_VERTICES(ctx, 0);
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glDrawPixels(%d, %d, %s, %s, %p) // to %s at %d, %d\n",
+ width, height,
+ _mesa_enum_to_string(format),
+ _mesa_enum_to_string(type),
+ pixels,
+ _mesa_enum_to_string(ctx->DrawBuffer->ColorDrawBuffer[0]),
+ IROUND(ctx->Current.RasterPos[0]),
+ IROUND(ctx->Current.RasterPos[1]));
- if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glDrawPixels (invalid fragment program)");
+
+ if (width < 0 || height < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glDrawPixels(width or height < 0)" );
return;
}
- if (_mesa_error_check_format_type(ctx, format, type, GL_TRUE)) {
- /* found an error */
- return;
+ /* We're not using the current vertex program, and the driver may install
+ * its own. Note: this may dirty some state.
+ */
+ _mesa_set_vp_override(ctx, GL_TRUE);
+
+ /* Note: this call does state validation */
+ if (!_mesa_valid_to_render(ctx, "glDrawPixels")) {
+ goto end; /* the error code was recorded */
+ }
+
+ /* GL 3.0 introduced a new restriction on glDrawPixels() over what was in
+ * GL_EXT_texture_integer. From section 3.7.4 ("Rasterization of Pixel
+ * Rectangles) on page 151 of the GL 3.0 specification:
+ *
+ * "If format contains integer components, as shown in table 3.6, an
+ * INVALID OPERATION error is generated."
+ *
+ * Since DrawPixels rendering would be merely undefined if not an error (due
+ * to a lack of defined mapping from integer data to gl_Color fragment shader
+ * input), NVIDIA's implementation also just returns this error despite
+ * exposing GL_EXT_texture_integer, just return an error regardless.
+ */
+ if (_mesa_is_enum_format_integer(format)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels(integer format)");
+ goto end;
+ }
+
+ err = _mesa_error_check_format_and_type(ctx, format, type);
+ if (err != GL_NO_ERROR) {
+ _mesa_error(ctx, err, "glDrawPixels(invalid format %s and/or type %s)",
+ _mesa_enum_to_string(format),
+ _mesa_enum_to_string(type));
+ goto end;
+ }
+
+ /* do special format-related checks */
+ switch (format) {
+ case GL_STENCIL_INDEX:
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_STENCIL_EXT:
+ /* these buffers must exist */
+ if (!_mesa_dest_buffer_exists(ctx, format)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glDrawPixels(missing dest buffer)");
+ goto end;
+ }
+ break;
+ case GL_COLOR_INDEX:
+ if (ctx->PixelMaps.ItoR.Size == 0 ||
+ ctx->PixelMaps.ItoG.Size == 0 ||
+ ctx->PixelMaps.ItoB.Size == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glDrawPixels(drawing color index pixels into RGB buffer)");
+ goto end;
+ }
+ break;
+ default:
+ /* for color formats it's not an error if the destination color
+ * buffer doesn't exist.
+ */
+ break;
}
- if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glDrawPixels(incomplete framebuffer)" );
- return;
+ if (ctx->RasterDiscard) {
+ goto end;
}
if (!ctx->Current.RasterPosValid) {
- return;
+ goto end; /* no-op, not an error */
}
if (ctx->RenderMode == GL_RENDER) {
- /* Round, to satisfy conformance tests (matches SGI's OpenGL) */
- GLint x = IROUND(ctx->Current.RasterPos[0]);
- GLint y = IROUND(ctx->Current.RasterPos[1]);
-
- if (ctx->Unpack.BufferObj->Name) {
- /* unpack from PBO */
- if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height, 1,
- format, type, pixels)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glDrawPixels(invalid PBO access)");
- return;
+ if (width > 0 && height > 0) {
+ /* Round, to satisfy conformance tests (matches SGI's OpenGL) */
+ GLint x = IROUND(ctx->Current.RasterPos[0]);
+ GLint y = IROUND(ctx->Current.RasterPos[1]);
+
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
+ /* unpack from PBO */
+ if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height,
+ 1, format, type, INT_MAX, pixels)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glDrawPixels(invalid PBO access)");
+ goto end;
+ }
+ if (_mesa_check_disallowed_mapping(ctx->Unpack.BufferObj)) {
+ /* buffer is mapped - that's an error */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glDrawPixels(PBO is mapped)");
+ goto end;
+ }
}
- if (ctx->Unpack.BufferObj->Pointer) {
- /* buffer is mapped - that's an error */
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glDrawPixels(PBO is mapped)");
- return;
- }
- }
- ctx->Driver.DrawPixels(ctx, x, y, width, height, format, type,
- &ctx->Unpack, pixels);
+ ctx->Driver.DrawPixels(ctx, x, y, width, height, format, type,
+ &ctx->Unpack, pixels);
+ }
}
else if (ctx->RenderMode == GL_FEEDBACK) {
/* Feedback the current raster pos info */
_mesa_feedback_vertex( ctx,
ctx->Current.RasterPos,
ctx->Current.RasterColor,
- ctx->Current.RasterIndex,
ctx->Current.RasterTexCoords[0] );
}
else {
- ASSERT(ctx->RenderMode == GL_SELECT);
+ assert(ctx->RenderMode == GL_SELECT);
/* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
}
+
+end:
+ _mesa_set_vp_override(ctx, GL_FALSE);
+
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
+ _mesa_flush(ctx);
+ }
}
GLenum type )
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
+ FLUSH_VERTICES(ctx, 0);
- if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glCopyPixels (invalid fragment program)");
- return;
- }
+ if (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx,
+ "glCopyPixels(%d, %d, %d, %d, %s) // from %s to %s at %d, %d\n",
+ srcx, srcy, width, height,
+ _mesa_enum_to_string(type),
+ _mesa_enum_to_string(ctx->ReadBuffer->ColorReadBuffer),
+ _mesa_enum_to_string(ctx->DrawBuffer->ColorDrawBuffer[0]),
+ IROUND(ctx->Current.RasterPos[0]),
+ IROUND(ctx->Current.RasterPos[1]));
if (width < 0 || height < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glCopyPixels(width or height < 0)");
return;
}
- if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT ||
- ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ /* Note: more detailed 'type' checking is done by the
+ * _mesa_source/dest_buffer_exists() calls below. That's where we
+ * check if the stencil buffer exists, etc.
+ */
+ if (type != GL_COLOR &&
+ type != GL_DEPTH &&
+ type != GL_STENCIL &&
+ type != GL_DEPTH_STENCIL) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glCopyPixels(type=%s)",
+ _mesa_enum_to_string(type));
+ return;
+ }
+
+ /* We're not using the current vertex program, and the driver may install
+ * it's own. Note: this may dirty some state.
+ */
+ _mesa_set_vp_override(ctx, GL_TRUE);
+
+ /* Note: this call does state validation */
+ if (!_mesa_valid_to_render(ctx, "glCopyPixels")) {
+ goto end; /* the error code was recorded */
+ }
+
+ /* Check read buffer's status (draw buffer was already checked) */
+ if (ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
_mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
"glCopyPixels(incomplete framebuffer)" );
- return;
+ goto end;
+ }
+
+ if (_mesa_is_user_fbo(ctx->ReadBuffer) &&
+ ctx->ReadBuffer->Visual.samples > 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glCopyPixels(multisample FBO)");
+ goto end;
}
if (!_mesa_source_buffer_exists(ctx, type) ||
!_mesa_dest_buffer_exists(ctx, type)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glCopyPixels(missing source or dest buffer)");
- return;
+ goto end;
}
- if (!ctx->Current.RasterPosValid || width ==0 || height == 0) {
- return;
+ if (ctx->RasterDiscard) {
+ goto end;
+ }
+
+ if (!ctx->Current.RasterPosValid || width == 0 || height == 0) {
+ goto end; /* no-op, not an error */
}
if (ctx->RenderMode == GL_RENDER) {
/* Round to satisfy conformance tests (matches SGI's OpenGL) */
- GLint destx = IROUND(ctx->Current.RasterPos[0]);
- GLint desty = IROUND(ctx->Current.RasterPos[1]);
- ctx->Driver.CopyPixels( ctx, srcx, srcy, width, height, destx, desty,
- type );
+ if (width > 0 && height > 0) {
+ GLint destx = IROUND(ctx->Current.RasterPos[0]);
+ GLint desty = IROUND(ctx->Current.RasterPos[1]);
+ ctx->Driver.CopyPixels( ctx, srcx, srcy, width, height, destx, desty,
+ type );
+ }
}
else if (ctx->RenderMode == GL_FEEDBACK) {
FLUSH_CURRENT( ctx, 0 );
_mesa_feedback_vertex( ctx,
ctx->Current.RasterPos,
ctx->Current.RasterColor,
- ctx->Current.RasterIndex,
ctx->Current.RasterTexCoords[0] );
}
else {
- ASSERT(ctx->RenderMode == GL_SELECT);
+ assert(ctx->RenderMode == GL_SELECT);
/* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
}
-}
-#endif /* _HAVE_FULL_GL */
+end:
+ _mesa_set_vp_override(ctx, GL_FALSE);
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
+ _mesa_flush(ctx);
+ }
+}
void GLAPIENTRY
const GLubyte *bitmap )
{
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ FLUSH_VERTICES(ctx, 0);
if (width < 0 || height < 0) {
_mesa_error( ctx, GL_INVALID_VALUE, "glBitmap(width or height < 0)" );
return; /* do nothing */
}
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
-
- if (ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBitmap (invalid fragment program)");
+ /* Note: this call does state validation */
+ if (!_mesa_valid_to_render(ctx, "glBitmap")) {
+ /* the error code was recorded */
return;
}
- if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glBitmap(incomplete framebuffer)");
+ if (ctx->RasterDiscard)
return;
- }
if (ctx->RenderMode == GL_RENDER) {
/* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */
- const GLfloat epsilon = 0.0001F;
- GLint x = IFLOOR(ctx->Current.RasterPos[0] + epsilon - xorig);
- GLint y = IFLOOR(ctx->Current.RasterPos[1] + epsilon - yorig);
-
- if (ctx->Unpack.BufferObj->Name) {
- /* unpack from PBO */
- if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height, 1,
- GL_COLOR_INDEX, GL_BITMAP,
- (GLvoid *) bitmap)) {
- _mesa_error(ctx, GL_INVALID_OPERATION,
- "glBitmap(invalid PBO access)");
- return;
- }
- if (ctx->Unpack.BufferObj->Pointer) {
- /* buffer is mapped - that's an error */
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBitmap(PBO is mapped)");
- return;
+ if (width > 0 && height > 0) {
+ const GLfloat epsilon = 0.0001F;
+ GLint x = IFLOOR(ctx->Current.RasterPos[0] + epsilon - xorig);
+ GLint y = IFLOOR(ctx->Current.RasterPos[1] + epsilon - yorig);
+
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
+ /* unpack from PBO */
+ if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height,
+ 1, GL_COLOR_INDEX, GL_BITMAP,
+ INT_MAX, (const GLvoid *) bitmap)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBitmap(invalid PBO access)");
+ return;
+ }
+ if (_mesa_check_disallowed_mapping(ctx->Unpack.BufferObj)) {
+ /* buffer is mapped - that's an error */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glBitmap(PBO is mapped)");
+ return;
+ }
}
- }
- ctx->Driver.Bitmap( ctx, x, y, width, height, &ctx->Unpack, bitmap );
+ ctx->Driver.Bitmap( ctx, x, y, width, height, &ctx->Unpack, bitmap );
+ }
}
-#if _HAVE_FULL_GL
else if (ctx->RenderMode == GL_FEEDBACK) {
FLUSH_CURRENT(ctx, 0);
_mesa_feedback_token( ctx, (GLfloat) (GLint) GL_BITMAP_TOKEN );
_mesa_feedback_vertex( ctx,
ctx->Current.RasterPos,
ctx->Current.RasterColor,
- ctx->Current.RasterIndex,
ctx->Current.RasterTexCoords[0] );
}
else {
- ASSERT(ctx->RenderMode == GL_SELECT);
+ assert(ctx->RenderMode == GL_SELECT);
/* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
}
-#endif
/* update raster position */
ctx->Current.RasterPos[0] += xmove;
ctx->Current.RasterPos[1] += ymove;
-}
-
-
-
-#if 0 /* experimental */
-/*
- * Execute glDrawDepthPixelsMESA(). This function accepts both a color
- * image and depth (Z) image. Rasterization produces fragments with
- * color and Z taken from these images. This function is intended for
- * Z-compositing. Normally, this operation requires two glDrawPixels
- * calls with stencil testing.
- */
-void GLAPIENTRY
-_mesa_DrawDepthPixelsMESA( GLsizei width, GLsizei height,
- GLenum colorFormat, GLenum colorType,
- const GLvoid *colors,
- GLenum depthType, const GLvoid *depths )
-{
- GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
-
- if (width < 0 || height < 0) {
- _mesa_error( ctx, GL_INVALID_VALUE,
- "glDrawDepthPixelsMESA(width or height < 0" );
- return;
- }
-
- if (!ctx->Current.RasterPosValid) {
- return;
- }
-
- if (ctx->NewState) {
- _mesa_update_state(ctx);
- }
- if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glDrawDepthPixelsMESA(incomplete framebuffer)");
- return;
- }
-
- if (ctx->RenderMode == GL_RENDER) {
- /* Round, to satisfy conformance tests (matches SGI's OpenGL) */
- GLint x = IROUND(ctx->Current.RasterPos[0]);
- GLint y = IROUND(ctx->Current.RasterPos[1]);
- ctx->Driver.DrawDepthPixelsMESA(ctx, x, y, width, height,
- colorFormat, colorType, colors,
- depthType, depths, &ctx->Unpack);
- }
- else if (ctx->RenderMode == GL_FEEDBACK) {
- /* Feedback the current raster pos info */
- FLUSH_CURRENT( ctx, 0 );
- _mesa_feedback_token( ctx, (GLfloat) (GLint) GL_DRAW_PIXEL_TOKEN );
- _mesa_feedback_vertex( ctx,
- ctx->Current.RasterPos,
- ctx->Current.RasterColor,
- ctx->Current.RasterIndex,
- ctx->Current.RasterTexCoords[0] );
- }
- else {
- ASSERT(ctx->RenderMode == GL_SELECT);
- /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
+ if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
+ _mesa_flush(ctx);
}
}
-
-#endif
projects / mesa.git / blobdiff