#include "enums.h"
#include "feedback.h"
#include "framebuffer.h"
-#include "image.h"
+#include "mfeatures.h"
+#include "pbo.h"
#include "readpix.h"
#include "state.h"
+#include "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);
-}
-
-
-#if _HAVE_FULL_GL
/*
* Execute glDrawPixels
*/
-void GLAPIENTRY
+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 (MESA_VERBOSE & VERBOSE_API)
+ _mesa_debug(ctx, "glDrawPixels(%d, %d, %s, %s, %p) // to %s at %d, %d\n",
+ width, height,
+ _mesa_lookup_enum_by_nr(format),
+ _mesa_lookup_enum_by_nr(type),
+ pixels,
+ _mesa_lookup_enum_by_nr(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, "glDrawPixels(width or 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.
+ * its own. Note: this may dirty some state.
*/
_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;
+ /* 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)) {
- /* the error was already recorded */
- goto end;
+ goto end; /* the error code was recorded */
}
- if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
- _mesa_error(ctx, GL_INVALID_FRAMEBUFFER_OPERATION_EXT,
- "glDrawPixels(incomplete framebuffer)" );
+ if (ctx->TransformFeedback.RasterDiscard) {
goto end;
}
if (!ctx->Current.RasterPosValid) {
- goto end; /* no-op, not an error */
+ goto end; /* no-op, not an error */
}
if (ctx->RenderMode == GL_RENDER) {
GLint x = IROUND(ctx->Current.RasterPos[0]);
GLint y = IROUND(ctx->Current.RasterPos[1]);
- if (ctx->Unpack.BufferObj->Name) {
+ if (_mesa_is_bufferobj(ctx->Unpack.BufferObj)) {
/* unpack from PBO */
- if (!_mesa_validate_pbo_access(2, &ctx->Unpack, width, height, 1,
- format, type, pixels)) {
+ 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;
_mesa_feedback_vertex( ctx,
ctx->Current.RasterPos,
ctx->Current.RasterColor,
- ctx->Current.RasterIndex,
ctx->Current.RasterTexCoords[0] );
}
else {
}
-void GLAPIENTRY
+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 (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_lookup_enum_by_nr(type),
+ _mesa_lookup_enum_by_nr(ctx->ReadBuffer->ColorReadBuffer),
+ _mesa_lookup_enum_by_nr(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;
}
/* We're not using the current vertex program, and the driver may install
- * it's own.
+ * it's own. Note: this may dirty some state.
*/
_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;
+ /* Note: this call does state validation */
+ if (!_mesa_valid_to_render(ctx, "glCopyPixels")) {
+ goto end; /* the error code was recorded */
}
- if (ctx->DrawBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT ||
- ctx->ReadBuffer->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ /* 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;
goto end;
}
- if (!ctx->Current.RasterPosValid || width ==0 || height == 0) {
+ if (ctx->TransformFeedback.RasterDiscard) {
+ goto end;
+ }
+
+ if (!ctx->Current.RasterPosValid || width == 0 || height == 0) {
goto end; /* no-op, not an error */
}
_mesa_feedback_vertex( ctx,
ctx->Current.RasterPos,
ctx->Current.RasterColor,
- ctx->Current.RasterIndex,
ctx->Current.RasterTexCoords[0] );
}
else {
_mesa_set_vp_override(ctx, GL_FALSE);
}
-#endif /* _HAVE_FULL_GL */
-
-
-void GLAPIENTRY
+static void GLAPIENTRY
_mesa_Bitmap( GLsizei width, GLsizei height,
GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove,
const GLubyte *bitmap )
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)");
+ /* 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->TransformFeedback.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 (_mesa_bufferobj_mapped(ctx->Unpack.BufferObj)) {
- /* 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_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 );
+ ctx->Driver.Bitmap( ctx, x, y, width, height, &ctx->Unpack, bitmap );
+ }
}
#if _HAVE_FULL_GL
else if (ctx->RenderMode == GL_FEEDBACK) {
_mesa_feedback_vertex( ctx,
ctx->Current.RasterPos,
ctx->Current.RasterColor,
- ctx->Current.RasterIndex,
ctx->Current.RasterTexCoords[0] );
}
else {
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 */
projects / mesa.git / blobdiff