diff options
author | marha <marha@users.sourceforge.net> | 2010-12-29 12:20:21 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2010-12-29 12:20:21 +0000 |
commit | 053f5dfd42ade05252e586a282e34906db10828d (patch) | |
tree | de215580ce205409a6d810a005c6c5909f3145d1 /mesalib/src/mesa/main/drawpix.c | |
parent | 04ceb8c4a0cca3d8682f094d1d6faed8f693afb5 (diff) | |
parent | 807c6931fe683fd844ceec1b023232181e6aae03 (diff) | |
download | vcxsrv-053f5dfd42ade05252e586a282e34906db10828d.tar.gz vcxsrv-053f5dfd42ade05252e586a282e34906db10828d.tar.bz2 vcxsrv-053f5dfd42ade05252e586a282e34906db10828d.zip |
svn merge ^/branches/released .
Diffstat (limited to 'mesalib/src/mesa/main/drawpix.c')
-rw-r--r-- | mesalib/src/mesa/main/drawpix.c | 596 |
1 files changed, 279 insertions, 317 deletions
diff --git a/mesalib/src/mesa/main/drawpix.c b/mesalib/src/mesa/main/drawpix.c index bf36a7e7a..40a1cb5df 100644 --- a/mesalib/src/mesa/main/drawpix.c +++ b/mesalib/src/mesa/main/drawpix.c @@ -1,317 +1,279 @@ -/* - * Mesa 3-D graphics library - * Version: 7.1 - * - * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * 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. - */ - -#include "glheader.h" -#include "imports.h" -#include "bufferobj.h" -#include "context.h" -#include "drawpix.h" -#include "enums.h" -#include "feedback.h" -#include "framebuffer.h" -#include "readpix.h" -#include "state.h" -#include "main/dispatch.h" - - -#if FEATURE_drawpix - - -/** - * If a fragment program is enabled, check that it's valid. - * \return GL_TRUE if valid, GL_FALSE otherwise - */ -static GLboolean -valid_fragment_program(GLcontext *ctx) -{ - return !(ctx->FragmentProgram.Enabled && !ctx->FragmentProgram._Enabled); -} - - -/* - * Execute glDrawPixels - */ -static void GLAPIENTRY -_mesa_DrawPixels( GLsizei width, GLsizei height, - GLenum format, GLenum type, const GLvoid *pixels ) -{ - 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; - } - - /* We're not using the current vertex program, and the driver may install - * it's own. - */ - _mesa_set_vp_override(ctx, GL_TRUE); - - if (ctx->NewState) { - _mesa_update_state(ctx); - } - - if (!valid_fragment_program(ctx)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glDrawPixels (invalid fragment program)"); - goto end; - } - - if (_mesa_error_check_format_type(ctx, format, type, GL_TRUE)) { - /* the error was already recorded */ - goto end; - } - - if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { - _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, - "glDrawPixels(incomplete framebuffer)" ); - goto end; - } - - if (!ctx->Current.RasterPosValid) { - goto end; /* no-op, not an error */ - } - - if (ctx->RenderMode == GL_RENDER) { - 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 (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)"); - goto end; - } - if (_mesa_bufferobj_mapped(ctx->Unpack.BufferObj)) { - /* buffer is mapped - that's an error */ - _mesa_error(ctx, GL_INVALID_OPERATION, - "glDrawPixels(PBO is mapped)"); - goto end; - } - } - - 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 */ - 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.RasterTexCoords[0] ); - } - else { - ASSERT(ctx->RenderMode == GL_SELECT); - /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */ - } - -end: - _mesa_set_vp_override(ctx, GL_FALSE); -} - - -static void GLAPIENTRY -_mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height, - GLenum type ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); - - if (width < 0 || height < 0) { - _mesa_error(ctx, GL_INVALID_VALUE, "glCopyPixels(width or height < 0)"); - return; - } - - /* 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_lookup_enum_by_nr(type)); - return; - } - - /* We're not using the current vertex program, and the driver may install - * it's own. - */ - _mesa_set_vp_override(ctx, GL_TRUE); - - if (ctx->NewState) { - _mesa_update_state(ctx); - } - - if (!valid_fragment_program(ctx)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glCopyPixels (invalid fragment program)"); - goto end; - } - - if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT || - ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { - _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, - "glCopyPixels(incomplete framebuffer)" ); - 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)"); - 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) */ - 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_token( ctx, (GLfloat) (GLint) GL_COPY_PIXEL_TOKEN ); - _mesa_feedback_vertex( ctx, - ctx->Current.RasterPos, - ctx->Current.RasterColor, - ctx->Current.RasterTexCoords[0] ); - } - else { - ASSERT(ctx->RenderMode == GL_SELECT); - /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */ - } - -end: - _mesa_set_vp_override(ctx, GL_FALSE); -} - - -static void GLAPIENTRY -_mesa_Bitmap( GLsizei width, GLsizei height, - GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove, - const GLubyte *bitmap ) -{ - GET_CURRENT_CONTEXT(ctx); - ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); - - if (width < 0 || height < 0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glBitmap(width or height < 0)" ); - return; - } - - if (!ctx->Current.RasterPosValid) { - return; /* do nothing */ - } - - if (ctx->NewState) { - _mesa_update_state(ctx); - } - - if (!valid_fragment_program(ctx)) { - _mesa_error(ctx, GL_INVALID_OPERATION, - "glBitmap (invalid fragment program)"); - return; - } - - if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) { - _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT, - "glBitmap(incomplete framebuffer)"); - return; - } - - if (ctx->RenderMode == GL_RENDER) { - /* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */ - 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 (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 (_mesa_bufferobj_mapped(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 ); - } - } -#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.RasterTexCoords[0] ); - } - else { - 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; -} - - -void -_mesa_init_drawpix_dispatch(struct _glapi_table *disp) -{ - SET_Bitmap(disp, _mesa_Bitmap); - SET_CopyPixels(disp, _mesa_CopyPixels); - SET_DrawPixels(disp, _mesa_DrawPixels); -} - - -#endif /* FEATURE_drawpix */ +/*
+ * Mesa 3-D graphics library
+ * Version: 7.1
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * 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.
+ */
+
+#include "glheader.h"
+#include "imports.h"
+#include "bufferobj.h"
+#include "context.h"
+#include "drawpix.h"
+#include "enums.h"
+#include "feedback.h"
+#include "framebuffer.h"
+#include "readpix.h"
+#include "state.h"
+#include "dispatch.h"
+
+
+#if FEATURE_drawpix
+
+
+/*
+ * Execute glDrawPixels
+ */
+static void GLAPIENTRY
+_mesa_DrawPixels( GLsizei width, GLsizei height,
+ GLenum format, GLenum type, const GLvoid *pixels )
+{
+ 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;
+ }
+
+ /* 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 */
+ }
+
+ if (_mesa_error_check_format_type(ctx, format, type, GL_TRUE)) {
+ goto end; /* the error code was recorded */
+ }
+
+ if (!ctx->Current.RasterPosValid) {
+ goto end; /* no-op, not an error */
+ }
+
+ if (ctx->RenderMode == GL_RENDER) {
+ 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 (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)");
+ goto end;
+ }
+ if (_mesa_bufferobj_mapped(ctx->Unpack.BufferObj)) {
+ /* buffer is mapped - that's an error */
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glDrawPixels(PBO is mapped)");
+ goto end;
+ }
+ }
+
+ 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 */
+ 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.RasterTexCoords[0] );
+ }
+ else {
+ ASSERT(ctx->RenderMode == GL_SELECT);
+ /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
+ }
+
+end:
+ _mesa_set_vp_override(ctx, GL_FALSE);
+}
+
+
+static void GLAPIENTRY
+_mesa_CopyPixels( GLint srcx, GLint srcy, GLsizei width, GLsizei height,
+ GLenum type )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (width < 0 || height < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glCopyPixels(width or height < 0)");
+ return;
+ }
+
+ /* 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_lookup_enum_by_nr(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)" );
+ 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)");
+ 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) */
+ 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_token( ctx, (GLfloat) (GLint) GL_COPY_PIXEL_TOKEN );
+ _mesa_feedback_vertex( ctx,
+ ctx->Current.RasterPos,
+ ctx->Current.RasterColor,
+ ctx->Current.RasterTexCoords[0] );
+ }
+ else {
+ ASSERT(ctx->RenderMode == GL_SELECT);
+ /* Do nothing. See OpenGL Spec, Appendix B, Corollary 6. */
+ }
+
+end:
+ _mesa_set_vp_override(ctx, GL_FALSE);
+}
+
+
+static void GLAPIENTRY
+_mesa_Bitmap( GLsizei width, GLsizei height,
+ GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove,
+ const GLubyte *bitmap )
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
+
+ if (width < 0 || height < 0) {
+ _mesa_error( ctx, GL_INVALID_VALUE, "glBitmap(width or height < 0)" );
+ return;
+ }
+
+ if (!ctx->Current.RasterPosValid) {
+ return; /* do nothing */
+ }
+
+ /* Note: this call does state validation */
+ if (!_mesa_valid_to_render(ctx, "glBitmap")) {
+ /* the error code was recorded */
+ return;
+ }
+
+ if (ctx->RenderMode == GL_RENDER) {
+ /* Truncate, to satisfy conformance tests (matches SGI's OpenGL). */
+ 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 (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 (_mesa_bufferobj_mapped(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 );
+ }
+ }
+#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.RasterTexCoords[0] );
+ }
+ else {
+ 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;
+}
+
+
+void
+_mesa_init_drawpix_dispatch(struct _glapi_table *disp)
+{
+ SET_Bitmap(disp, _mesa_Bitmap);
+ SET_CopyPixels(disp, _mesa_CopyPixels);
+ SET_DrawPixels(disp, _mesa_DrawPixels);
+}
+
+
+#endif /* FEATURE_drawpix */
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