/*
* Render a bitmap.
*/
static bool
do_blit_bitmap( struct gl_context *ctx,
GLint dstx, GLint dsty,
GLsizei width, GLsizei height,
const struct gl_pixelstore_attrib *unpack,
const GLubyte *bitmap )
{
struct intel_context *intel = intel_context(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct intel_renderbuffer *irb;
GLfloat tmpColor[4];
GLubyte ubcolor[4];
GLuint color;
GLsizei bitmap_width = width;
GLsizei bitmap_height = height;
GLint px, py;
GLuint stipple[32];
GLint orig_dstx = dstx;
GLint orig_dsty = dsty;
/* Update draw buffer bounds */
_mesa_update_state(ctx);
if (ctx->Depth.Test) {
/* The blit path produces incorrect results when depth testing is on.
* It seems the blit Z coord is always 1.0 (the far plane) so fragments
* will likely be obscured by other, closer geometry.
*/
return false;
}
intel_prepare_render(intel);
if (fb->_NumColorDrawBuffers != 1) {
perf_debug("accelerated glBitmap() only supports rendering to a "
"single color buffer\n");
return false;
}
irb = intel_renderbuffer(fb->_ColorDrawBuffers[0]);
if (_mesa_is_bufferobj(unpack->BufferObj)) {
bitmap = map_pbo(ctx, width, height, unpack, bitmap);
if (bitmap == NULL)
return true; /* even though this is an error, we're done */
}
COPY_4V(tmpColor, ctx->Current.RasterColor);
if (_mesa_need_secondary_color(ctx)) {
ADD_3V(tmpColor, tmpColor, ctx->Current.RasterSecondaryColor);
}
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[0], tmpColor[0]);
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[1], tmpColor[1]);
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[2], tmpColor[2]);
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[3], tmpColor[3]);
switch (irb->mt->format) {
case MESA_FORMAT_B8G8R8A8_UNORM:
case MESA_FORMAT_B8G8R8X8_UNORM:
color = PACK_COLOR_8888(ubcolor[3], ubcolor[0], ubcolor[1], ubcolor[2]);
break;
case MESA_FORMAT_B5G6R5_UNORM:
color = PACK_COLOR_565(ubcolor[0], ubcolor[1], ubcolor[2]);
break;
default:
perf_debug("Unsupported format %s in accelerated glBitmap()\n",
_mesa_get_format_name(irb->mt->format));
return false;
}
if (!intel_check_blit_fragment_ops(ctx, tmpColor[3] == 1.0F))
return false;
/* Clip to buffer bounds and scissor. */
if (!_mesa_clip_to_region(fb->_Xmin, fb->_Ymin,
fb->_Xmax, fb->_Ymax,
&dstx, &dsty, &width, &height))
goto out;
dsty = y_flip(fb, dsty, height);
#define DY 32
#define DX 32
/* Chop it all into chunks that can be digested by hardware: */
for (py = 0; py < height; py += DY) {
for (px = 0; px < width; px += DX) {
int h = MIN2(DY, height - py);
int w = MIN2(DX, width - px);
GLuint sz = ALIGN(ALIGN(w,8) * h, 64)/8;
GLenum logic_op = ctx->Color.ColorLogicOpEnabled ?
ctx->Color.LogicOp : GL_COPY;
assert(sz <= sizeof(stipple));
memset(stipple, 0, sz);
/* May need to adjust this when padding has been introduced in
* sz above:
*
* Have to translate destination coordinates back into source
* coordinates.
*/
int count = get_bitmap_rect(bitmap_width, bitmap_height, unpack,
bitmap,
-orig_dstx + (dstx + px),
-orig_dsty + y_flip(fb, dsty + py, h),
w, h,
(GLubyte *)stipple,
8,
_mesa_is_winsys_fbo(fb));
if (count == 0)
continue;
if (!intelEmitImmediateColorExpandBlit(intel,
irb->mt->cpp,
(GLubyte *)stipple,
sz,
color,
irb->mt->region->pitch,
irb->mt->region->bo,
0,
irb->mt->region->tiling,
dstx + px,
dsty + py,
w, h,
logic_op)) {
return false;
}
if (ctx->Query.CurrentOcclusionObject)
ctx->Query.CurrentOcclusionObject->Result += count;
}
}
out:
if (unlikely(INTEL_DEBUG & DEBUG_SYNC))
intel_batchbuffer_flush(intel);
if (_mesa_is_bufferobj(unpack->BufferObj)) {
/* done with PBO so unmap it now */
ctx->Driver.UnmapBuffer(ctx, unpack->BufferObj, MAP_INTERNAL);
}
intel_check_front_buffer_rendering(intel);
return true;
}
/**
* CopyPixels with the blitter. Don't support zooming, pixel transfer, etc.
*/
static GLboolean
do_blit_copypixels(struct gl_context * ctx,
GLint srcx, GLint srcy,
GLsizei width, GLsizei height,
GLint dstx, GLint dsty, GLenum type)
{
struct intel_context *intel = intel_context(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct gl_framebuffer *read_fb = ctx->ReadBuffer;
GLint orig_dstx;
GLint orig_dsty;
GLint orig_srcx;
GLint orig_srcy;
GLboolean flip = GL_FALSE;
struct intel_renderbuffer *draw_irb = NULL;
struct intel_renderbuffer *read_irb = NULL;
/* Update draw buffer bounds */
_mesa_update_state(ctx);
switch (type) {
case GL_COLOR:
if (fb->_NumColorDrawBuffers != 1) {
fallback_debug("glCopyPixels() fallback: MRT\n");
return GL_FALSE;
}
draw_irb = intel_renderbuffer(fb->_ColorDrawBuffers[0]);
read_irb = intel_renderbuffer(read_fb->_ColorReadBuffer);
break;
case GL_DEPTH_STENCIL_EXT:
draw_irb = intel_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer);
read_irb =
intel_renderbuffer(read_fb->Attachment[BUFFER_DEPTH].Renderbuffer);
break;
case GL_DEPTH:
fallback_debug("glCopyPixels() fallback: GL_DEPTH\n");
return GL_FALSE;
case GL_STENCIL:
fallback_debug("glCopyPixels() fallback: GL_STENCIL\n");
return GL_FALSE;
default:
fallback_debug("glCopyPixels(): Unknown type\n");
return GL_FALSE;
}
if (!draw_irb) {
fallback_debug("glCopyPixels() fallback: missing draw buffer\n");
return GL_FALSE;
}
if (!read_irb) {
fallback_debug("glCopyPixels() fallback: missing read buffer\n");
return GL_FALSE;
}
if (draw_irb->Base.Format != read_irb->Base.Format &&
!(draw_irb->Base.Format == MESA_FORMAT_XRGB8888 &&
read_irb->Base.Format == MESA_FORMAT_ARGB8888)) {
fallback_debug("glCopyPixels() fallback: mismatched formats (%s -> %s\n",
_mesa_get_format_name(read_irb->Base.Format),
_mesa_get_format_name(draw_irb->Base.Format));
return GL_FALSE;
}
/* Copypixels can be more than a straight copy. Ensure all the
* extra operations are disabled:
*/
if (!intel_check_copypixel_blit_fragment_ops(ctx) ||
ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F)
return GL_FALSE;
intel_prepare_render(intel);
intel_flush(&intel->ctx);
/* Clip to destination buffer. */
orig_dstx = dstx;
orig_dsty = dsty;
if (!_mesa_clip_to_region(fb->_Xmin, fb->_Ymin,
fb->_Xmax, fb->_Ymax,
&dstx, &dsty, &width, &height))
goto out;
/* Adjust src coords for our post-clipped destination origin */
srcx += dstx - orig_dstx;
srcy += dsty - orig_dsty;
/* Clip to source buffer. */
orig_srcx = srcx;
orig_srcy = srcy;
if (!_mesa_clip_to_region(0, 0,
read_fb->Width, read_fb->Height,
&srcx, &srcy, &width, &height))
goto out;
/* Adjust dst coords for our post-clipped source origin */
dstx += srcx - orig_srcx;
dsty += srcy - orig_srcy;
/* Flip dest Y if it's a window system framebuffer. */
if (fb->Name == 0) {
/* copypixels to a window system framebuffer */
dsty = fb->Height - dsty - height;
flip = !flip;
}
/* Flip source Y if it's a window system framebuffer. */
if (read_fb->Name == 0) {
srcy = read_fb->Height - srcy - height;
flip = !flip;
}
srcx += read_irb->draw_x;
srcy += read_irb->draw_y;
dstx += draw_irb->draw_x;
dsty += draw_irb->draw_y;
if (!intel_region_copy(intel,
draw_irb->region, 0, dstx, dsty,
read_irb->region, 0, srcx, srcy,
width, height, flip,
ctx->Color.ColorLogicOpEnabled ?
ctx->Color.LogicOp : GL_COPY)) {
DBG("%s: blit failure\n", __FUNCTION__);
return GL_FALSE;
}
out:
intel_check_front_buffer_rendering(intel);
DBG("%s: success\n", __FUNCTION__);
return GL_TRUE;
}
/**
* CopyPixels with the blitter. Don't support zooming, pixel transfer, etc.
*/
static bool
do_blit_copypixels(struct gl_context * ctx,
GLint srcx, GLint srcy,
GLsizei width, GLsizei height,
GLint dstx, GLint dsty, GLenum type)
{
struct brw_context *brw = brw_context(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
struct gl_framebuffer *read_fb = ctx->ReadBuffer;
GLint orig_dstx;
GLint orig_dsty;
GLint orig_srcx;
GLint orig_srcy;
struct intel_renderbuffer *draw_irb = NULL;
struct intel_renderbuffer *read_irb = NULL;
/* Update draw buffer bounds */
_mesa_update_state(ctx);
intel_prepare_render(brw);
switch (type) {
case GL_COLOR:
if (fb->_NumColorDrawBuffers != 1) {
perf_debug("glCopyPixels() fallback: MRT\n");
return false;
}
draw_irb = intel_renderbuffer(fb->_ColorDrawBuffers[0]);
read_irb = intel_renderbuffer(read_fb->_ColorReadBuffer);
break;
case GL_DEPTH_STENCIL_EXT:
draw_irb = intel_renderbuffer(fb->Attachment[BUFFER_DEPTH].Renderbuffer);
read_irb =
intel_renderbuffer(read_fb->Attachment[BUFFER_DEPTH].Renderbuffer);
break;
case GL_DEPTH:
perf_debug("glCopyPixels() fallback: GL_DEPTH\n");
return false;
case GL_STENCIL:
perf_debug("glCopyPixels() fallback: GL_STENCIL\n");
return false;
default:
perf_debug("glCopyPixels(): Unknown type\n");
return false;
}
if (!draw_irb) {
perf_debug("glCopyPixels() fallback: missing draw buffer\n");
return false;
}
if (!read_irb) {
perf_debug("glCopyPixels() fallback: missing read buffer\n");
return false;
}
if (draw_irb->mt->num_samples > 1 || read_irb->mt->num_samples > 1) {
perf_debug("glCopyPixels() fallback: multisampled buffers\n");
return false;
}
if (ctx->_ImageTransferState) {
perf_debug("glCopyPixels(): Unsupported image transfer state\n");
return false;
}
if (ctx->Depth.Test) {
perf_debug("glCopyPixels(): Unsupported depth test state\n");
return false;
}
if (ctx->Stencil._Enabled) {
perf_debug("glCopyPixels(): Unsupported stencil test state\n");
return false;
}
if (ctx->Fog.Enabled ||
ctx->Texture._MaxEnabledTexImageUnit != -1 ||
ctx->FragmentProgram._Enabled) {
perf_debug("glCopyPixels(): Unsupported fragment shader state\n");
return false;
}
if (ctx->Color.AlphaEnabled ||
ctx->Color.BlendEnabled) {
perf_debug("glCopyPixels(): Unsupported blend state\n");
return false;
}
if (!ctx->Color.ColorMask[0][0] ||
!ctx->Color.ColorMask[0][1] ||
!ctx->Color.ColorMask[0][2] ||
!ctx->Color.ColorMask[0][3]) {
perf_debug("glCopyPixels(): Unsupported color mask state\n");
return false;
}
if (ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F) {
perf_debug("glCopyPixles(): Unsupported pixel zoom\n");
return false;
}
intel_batchbuffer_flush(brw);
/* Clip to destination buffer. */
orig_dstx = dstx;
orig_dsty = dsty;
if (!_mesa_clip_to_region(fb->_Xmin, fb->_Ymin,
fb->_Xmax, fb->_Ymax,
&dstx, &dsty, &width, &height))
goto out;
/* Adjust src coords for our post-clipped destination origin */
srcx += dstx - orig_dstx;
srcy += dsty - orig_dsty;
/* Clip to source buffer. */
orig_srcx = srcx;
orig_srcy = srcy;
if (!_mesa_clip_to_region(0, 0,
read_fb->Width, read_fb->Height,
&srcx, &srcy, &width, &height))
goto out;
/* Adjust dst coords for our post-clipped source origin */
dstx += srcx - orig_srcx;
dsty += srcy - orig_srcy;
if (!intel_miptree_blit(brw,
read_irb->mt, read_irb->mt_level, read_irb->mt_layer,
srcx, srcy, _mesa_is_winsys_fbo(read_fb),
draw_irb->mt, draw_irb->mt_level, draw_irb->mt_layer,
dstx, dsty, _mesa_is_winsys_fbo(fb),
width, height,
(ctx->Color.ColorLogicOpEnabled ?
ctx->Color.LogicOp : GL_COPY))) {
DBG("%s: blit failure\n", __FUNCTION__);
return false;
}
if (ctx->Query.CurrentOcclusionObject)
ctx->Query.CurrentOcclusionObject->Result += width * height;
out:
DBG("%s: success\n", __FUNCTION__);
return true;
}
/*
* Render a bitmap.
*/
static GLboolean
do_blit_bitmap( GLcontext *ctx,
GLint dstx, GLint dsty,
GLsizei width, GLsizei height,
const struct gl_pixelstore_attrib *unpack,
const GLubyte *bitmap )
{
struct intel_context *intel = intel_context(ctx);
struct intel_region *dst = intel_drawbuf_region(intel);
GLfloat tmpColor[4];
GLubyte ubcolor[4];
GLuint color8888, color565;
if (!dst)
return GL_FALSE;
if (unpack->BufferObj->Name) {
bitmap = map_pbo(ctx, width, height, unpack, bitmap);
if (bitmap == NULL)
return GL_TRUE; /* even though this is an error, we're done */
}
COPY_4V(tmpColor, ctx->Current.RasterColor);
if (NEED_SECONDARY_COLOR(ctx)) {
ADD_3V(tmpColor, tmpColor, ctx->Current.RasterSecondaryColor);
}
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[0], tmpColor[0]);
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[1], tmpColor[1]);
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[2], tmpColor[2]);
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[3], tmpColor[3]);
color8888 = INTEL_PACKCOLOR8888(ubcolor[0], ubcolor[1], ubcolor[2], ubcolor[3]);
color565 = INTEL_PACKCOLOR565(ubcolor[0], ubcolor[1], ubcolor[2]);
/* Does zoom apply to bitmaps?
*/
if (!intel_check_blit_fragment_ops(ctx) ||
ctx->Pixel.ZoomX != 1.0F ||
ctx->Pixel.ZoomY != 1.0F)
return GL_FALSE;
LOCK_HARDWARE(intel);
if (intel->driDrawable->numClipRects) {
__DRIdrawablePrivate *dPriv = intel->driDrawable;
drm_clip_rect_t *box = dPriv->pClipRects;
drm_clip_rect_t dest_rect;
GLint nbox = dPriv->numClipRects;
GLint srcx = 0, srcy = 0;
GLint orig_screen_x1, orig_screen_y2;
GLuint i;
orig_screen_x1 = dPriv->x + dstx;
orig_screen_y2 = dPriv->y + (dPriv->h - dsty);
/* Do scissoring in GL coordinates:
*/
if (ctx->Scissor.Enabled)
{
GLint x = ctx->Scissor.X;
GLint y = ctx->Scissor.Y;
GLuint w = ctx->Scissor.Width;
GLuint h = ctx->Scissor.Height;
if (!_mesa_clip_to_region(x, y, x+w-1, y+h-1, &dstx, &dsty, &width, &height))
goto out;
}
/* Convert from GL to hardware coordinates:
*/
dsty = dPriv->y + (dPriv->h - dsty - height);
dstx = dPriv->x + dstx;
dest_rect.x1 = dstx < 0 ? 0 : dstx;
dest_rect.y1 = dsty < 0 ? 0 : dsty;
dest_rect.x2 = dstx + width < 0 ? 0 : dstx + width;
dest_rect.y2 = dsty + height < 0 ? 0 : dsty + height;
for (i = 0; i < nbox; i++) {
drm_clip_rect_t rect;
int box_w, box_h;
GLint px, py;
GLuint stipple[32];
if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i]))
continue;
/* Now go back to GL coordinates to figure out what subset of
* the bitmap we are uploading for this cliprect:
*/
box_w = rect.x2 - rect.x1;
box_h = rect.y2 - rect.y1;
srcx = rect.x1 - orig_screen_x1;
srcy = orig_screen_y2 - rect.y2;
#define DY 32
#define DX 32
/* Then, finally, chop it all into chunks that can be
* digested by hardware:
*/
for (py = 0; py < box_h; py += DY) {
for (px = 0; px < box_w; px += DX) {
int h = MIN2(DY, box_h - py);
int w = MIN2(DX, box_w - px);
GLuint sz = ALIGN(ALIGN(w,8) * h, 64)/8;
GLenum logic_op = ctx->Color.ColorLogicOpEnabled ?
ctx->Color.LogicOp : GL_COPY;
assert(sz <= sizeof(stipple));
memset(stipple, 0, sz);
/* May need to adjust this when padding has been introduced in
* sz above:
*/
if (get_bitmap_rect(width, height, unpack,
bitmap,
srcx + px, srcy + py, w, h,
(GLubyte *)stipple,
8,
GL_TRUE) == 0)
continue;
/*
*/
intelEmitImmediateColorExpandBlit( intel,
dst->cpp,
(GLubyte *)stipple,
sz,
(dst->cpp == 2) ? color565 : color8888,
dst->pitch,
dst->buffer,
0,
dst->tiled,
rect.x1 + px,
rect.y2 - (py + h),
w, h,
logic_op);
}
}
}
intel->need_flush = GL_TRUE;
out:
intel_batchbuffer_flush(intel->batch);
}
UNLOCK_HARDWARE(intel);
if (unpack->BufferObj->Name) {
/* done with PBO so unmap it now */
ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
unpack->BufferObj);
}
return GL_TRUE;
}
static GLboolean
do_copy_texsubimage(struct intel_context *intel,
struct intel_texture_image *intelImage,
GLenum internalFormat,
GLint dstx, GLint dsty,
GLint x, GLint y, GLsizei width, GLsizei height)
{
GLcontext *ctx = &intel->ctx;
const struct intel_region *src =
get_teximage_source(intel, internalFormat);
if (!intelImage->mt || !src) {
DBG("%s fail %p %p\n", __FUNCTION__, intelImage->mt, src);
return GL_FALSE;
}
intelFlush(ctx);
LOCK_HARDWARE(intel);
{
GLuint image_offset = intel_miptree_image_offset(intelImage->mt,
intelImage->face,
intelImage->level);
const GLint orig_x = x;
const GLint orig_y = y;
const struct gl_framebuffer *fb = ctx->DrawBuffer;
if (_mesa_clip_to_region(fb->_Xmin, fb->_Ymin, fb->_Xmax, fb->_Ymax,
&x, &y, &width, &height)) {
/* Update dst for clipped src. Need to also clip the source rect.
*/
dstx += x - orig_x;
dsty += y - orig_y;
if (ctx->ReadBuffer->Name == 0) {
/* reading from a window, adjust x, y */
__DRIdrawablePrivate *dPriv = intel->driDrawable;
GLuint window_y;
/* window_y = position of window on screen if y=0=bottom */
window_y = intel->intelScreen->height - (dPriv->y + dPriv->h);
y = window_y + y;
x += dPriv->x;
}
else {
/* reading from a FBO */
/* invert Y */
y = ctx->ReadBuffer->Height - y - 1;
}
/* A bit of fiddling to get the blitter to work with -ve
* pitches. But we get a nice inverted blit this way, so it's
* worth it:
*/
intelEmitCopyBlit(intel,
intelImage->mt->cpp,
-src->pitch,
src->buffer,
src->height * src->pitch * src->cpp,
intelImage->mt->pitch,
intelImage->mt->region->buffer,
image_offset,
x, y + height, dstx, dsty, width, height,
GL_COPY); /* ? */
intel_batchbuffer_flush(intel->batch);
}
}
UNLOCK_HARDWARE(intel);
#if 0
/* GL_SGIS_generate_mipmap -- this can be accelerated now.
* XXX Add a ctx->Driver.GenerateMipmaps() function?
*/
if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
intel_generate_mipmap(ctx, target,
&ctx->Texture.Unit[ctx->Texture.CurrentUnit],
texObj);
}
#endif
return GL_TRUE;
}
static GLboolean
do_texture_drawpixels(GLcontext * ctx,
GLint x, GLint y,
GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid * pixels)
{
struct intel_context *intel = intel_context(ctx);
struct intel_region *dst = intel_drawbuf_region(intel);
struct intel_buffer_object *src = intel_buffer_object(unpack->BufferObj);
GLuint rowLength = unpack->RowLength ? unpack->RowLength : width;
GLuint src_offset;
if (INTEL_DEBUG & DEBUG_PIXEL)
fprintf(stderr, "%s\n", __FUNCTION__);
intelFlush(&intel->ctx);
intel->vtbl.render_start(intel);
intel->vtbl.emit_state(intel);
if (!dst)
return GL_FALSE;
if (src) {
if (!_mesa_validate_pbo_access(2, unpack, width, height, 1,
format, type, pixels)) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glDrawPixels");
return GL_TRUE;
}
}
else {
/* PBO only for now:
*/
/* _mesa_printf("%s - not PBO\n", __FUNCTION__); */
return GL_FALSE;
}
/* There are a couple of things we can't do yet, one of which is
* set the correct state for pixel operations when GL texturing is
* enabled. That's a pretty rare state and probably not worth the
* effort. A completely device-independent version of this may do
* more.
*
* Similarly, we make no attempt to merge metaops processing with
* an enabled fragment program, though it would certainly be
* possible.
*/
if (!intel_check_meta_tex_fragment_ops(ctx)) {
if (INTEL_DEBUG & DEBUG_PIXEL)
_mesa_printf("%s - bad GL fragment state for metaops texture\n",
__FUNCTION__);
return GL_FALSE;
}
intel->vtbl.install_meta_state(intel);
/* Is this true? Also will need to turn depth testing on according
* to state:
*/
intel->vtbl.meta_no_stencil_write(intel);
intel->vtbl.meta_no_depth_write(intel);
/* Set the 3d engine to draw into the destination region:
*/
intel->vtbl.meta_draw_region(intel, dst, intel->intelScreen->depth_region);
intel->vtbl.meta_import_pixel_state(intel);
src_offset = (GLuint) _mesa_image_address(2, unpack, pixels, width, height,
format, type, 0, 0, 0);
/* Setup the pbo up as a rectangular texture, if possible.
*
* TODO: This is almost always possible if the i915 fragment
* program is adjusted to correctly swizzle the sampled colors.
* The major exception is any 24bit texture, like RGB888, for which
* there is no hardware support.
*/
if (!intel->vtbl.meta_tex_rect_source(intel, src->buffer, src_offset,
rowLength, height, format, type)) {
intel->vtbl.leave_meta_state(intel);
return GL_FALSE;
}
intel->vtbl.meta_texture_blend_replace(intel);
LOCK_HARDWARE(intel);
if (intel->driDrawable->numClipRects) {
__DRIdrawablePrivate *dPriv = intel->driDrawable;
GLint srcx, srcy;
GLint dstx, dsty;
dstx = x;
dsty = dPriv->h - (y + height);
srcx = 0; /* skiprows/pixels already done */
srcy = 0;
if (0) {
const GLint orig_x = dstx;
const GLint orig_y = dsty;
if (!_mesa_clip_to_region(0, 0, dst->pitch, dst->height,
&dstx, &dsty, &width, &height))
goto out;
srcx += dstx - orig_x;
srcy += dsty - orig_y;
}
if (INTEL_DEBUG & DEBUG_PIXEL)
_mesa_printf("draw %d,%d %dx%d\n", dstx, dsty, width, height);
/* Must use the regular cliprect mechanism in order to get the
* drawing origin set correctly. Otherwise scissor state is in
* incorrect coordinate space. Does this even need to hold the
* lock???
*/
intel_meta_draw_quad(intel,
dstx, dstx + width * ctx->Pixel.ZoomX,
dPriv->h - (y + height * ctx->Pixel.ZoomY),
dPriv->h - (y),
-ctx->Current.RasterPos[2] * .5,
0x00ff00ff,
srcx, srcx + width, srcy + height, srcy);
out:
intel->vtbl.leave_meta_state(intel);
intel_batchbuffer_flush(intel->batch);
}
UNLOCK_HARDWARE(intel);
return GL_TRUE;
}
