*
**************************************************************************/
-#include "glheader.h"
-#include "enums.h"
-#include "image.h"
-#include "mtypes.h"
-#include "macros.h"
-#include "bufferobj.h"
+#include "main/glheader.h"
+#include "main/enums.h"
+#include "main/image.h"
+#include "main/mtypes.h"
+#include "main/macros.h"
+#include "main/bufferobj.h"
+#include "main/teximage.h"
+#include "main/texenv.h"
+#include "main/texobj.h"
+#include "main/texstate.h"
+#include "main/texparam.h"
+#include "main/varray.h"
+#include "main/attrib.h"
+#include "main/enable.h"
+#include "main/buffers.h"
+#include "main/fbobject.h"
+#include "main/renderbuffer.h"
+#include "main/depth.h"
+#include "main/hash.h"
+#include "main/blend.h"
+#include "main/viewport.h"
+#include "glapi/dispatch.h"
#include "swrast/swrast.h"
#include "intel_screen.h"
#include "intel_context.h"
-#include "intel_ioctl.h"
#include "intel_batchbuffer.h"
#include "intel_blit.h"
#include "intel_buffers.h"
#include "intel_regions.h"
#include "intel_pixel.h"
#include "intel_buffer_objects.h"
-#include "intel_tris.h"
-
-
+#include "intel_fbo.h"
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)
+intel_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);
-
- if (!dst)
- return GL_FALSE;
-
- intel->vtbl.render_start(intel);
- intel->vtbl.emit_state(intel);
-
- 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:
- */
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s - not PBO\n", __FUNCTION__);
+ GLuint texname;
+ GLfloat vertices[4][4];
+ GLfloat z;
+ GLint old_active_texture;
+ GLenum internalFormat;
+
+ /* We're going to mess with texturing with no regard to existing texture
+ * state, so if there is some set up we have to bail.
+ */
+ if (ctx->Texture._EnabledUnits != 0) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels() fallback: texturing enabled\n");
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.
+ /* Can't do textured DrawPixels with a fragment program, unless we were
+ * to generate a new program that sampled our texture and put the results
+ * in the fragment color before the user's program started.
*/
- 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__);
+ if (ctx->FragmentProgram.Enabled) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels() fallback: fragment program enabled\n");
return GL_FALSE;
}
- intel->vtbl.install_meta_state(intel);
-
-
- /* Is this true? Also will need to turn depth testing on according
- * to state:
+ /* We don't have a way to generate fragments with stencil values which
+ * will set the resulting stencil value.
*/
- 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->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);
+ if (format == GL_STENCIL_INDEX || format == GL_DEPTH_STENCIL)
+ return GL_FALSE;
+ /* Check that we can load in a texture this big. */
+ if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) ||
+ height > (1 << (ctx->Const.MaxTextureLevels - 1))) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels() fallback: bitmap too large (%dx%d)\n",
+ width, height);
+ return GL_FALSE;
+ }
- /* 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.
+ /* To do DEPTH_COMPONENT, we would need to change our setup to not draw to
+ * the color buffer, and sample the texture values into the fragment depth
+ * in a program.
*/
- if (!intel->vtbl.meta_tex_rect_source(intel, src->buffer, src_offset,
- rowLength, height, format, type)) {
- intel->vtbl.leave_meta_state(intel);
+ if (format == GL_DEPTH_COMPONENT) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr,
+ "glDrawPixels() fallback: format == GL_DEPTH_COMPONENT\n");
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 (!ctx->Extensions.ARB_texture_non_power_of_two &&
+ (!is_power_of_two(width) || !is_power_of_two(height))) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr,
+ "glDrawPixels() fallback: NPOT texture\n");
+ return GL_FALSE;
+ }
- if (0) {
- const GLint orig_x = dstx;
- const GLint orig_y = dsty;
+ _mesa_PushAttrib(GL_ENABLE_BIT | GL_TEXTURE_BIT |
+ GL_CURRENT_BIT | GL_VIEWPORT_BIT);
+ _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
+
+ /* XXX: pixel store stuff */
+ _mesa_Disable(GL_POLYGON_STIPPLE);
+
+ old_active_texture = ctx->Texture.CurrentUnit;
+ _mesa_ActiveTextureARB(GL_TEXTURE0_ARB);
+ _mesa_Enable(GL_TEXTURE_2D);
+ _mesa_GenTextures(1, &texname);
+ _mesa_BindTexture(GL_TEXTURE_2D, texname);
+ _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ _mesa_TexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ if (type == GL_ALPHA)
+ internalFormat = GL_ALPHA;
+ else
+ internalFormat = GL_RGBA;
+ _mesa_TexImage2D(GL_TEXTURE_2D, 0, internalFormat, width, height, 0, format,
+ type, pixels);
- if (!_mesa_clip_to_region(0, 0, dst->pitch, dst->height,
- &dstx, &dsty, &width, &height))
- goto out;
+ meta_set_passthrough_transform(&intel->meta);
- srcx += dstx - orig_x;
- srcy += dsty - orig_y;
- }
+ /* convert rasterpos Z from [0,1] to NDC coord in [-1,1] */
+ z = -1.0 + 2.0 * ctx->Current.RasterPos[2];
+ /* RasterPos[2] already takes into account the DepthRange mapping. */
+ _mesa_DepthRange(0.0, 1.0);
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("draw %d,%d %dx%d\n", dstx, dsty, width, height);
+ /* Create the vertex buffer based on the current raster pos. The x and y
+ * we're handed are ctx->Current.RasterPos[0,1] rounded to integers.
+ * We also apply the depth. However, the W component is already multiplied
+ * into ctx->Current.RasterPos[0,1,2] and we can ignore it at this point.
+ */
+ vertices[0][0] = x;
+ vertices[0][1] = y;
+ vertices[0][2] = z;
+ vertices[0][3] = 1.0;
+ vertices[1][0] = x + width * ctx->Pixel.ZoomX;
+ vertices[1][1] = y;
+ vertices[1][2] = z;
+ vertices[1][3] = 1.0;
+ vertices[2][0] = x + width * ctx->Pixel.ZoomX;
+ vertices[2][1] = y + height * ctx->Pixel.ZoomY;
+ vertices[2][2] = z;
+ vertices[2][3] = 1.0;
+ vertices[3][0] = x;
+ vertices[3][1] = y + height * ctx->Pixel.ZoomY;
+ vertices[3][2] = z;
+ vertices[3][3] = 1.0;
+
+ _mesa_VertexPointer(4, GL_FLOAT, 4 * sizeof(GLfloat), &vertices);
+ _mesa_Enable(GL_VERTEX_ARRAY);
+ meta_set_default_texrect(&intel->meta);
+
+ _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
+
+ meta_restore_texcoords(&intel->meta);
+ meta_restore_transform(&intel->meta);
+
+ _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + old_active_texture);
+ _mesa_PopClientAttrib();
+ _mesa_PopAttrib();
+
+ _mesa_DeleteTextures(1, &texname);
- /* 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->vtbl.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_emit_mi_flush(intel->batch);
- }
- UNLOCK_HARDWARE(intel);
return GL_TRUE;
}
-
-
-
-
-/* Pros:
- * - no waiting for idle before updating framebuffer.
- *
- * Cons:
- * - if upload is by memcpy, this may actually be slower than fallback path.
- * - uploads the whole image even if destination is clipped
- *
- * Need to benchmark.
- *
- * Given the questions about performance, implement for pbo's only.
- * This path is definitely a win if the pbo is already in agp. If it
- * turns out otherwise, we can add the code necessary to upload client
- * data to agp space before performing the blit. (Though it may turn
- * out to be better/simpler just to use the texture engine).
- */
static GLboolean
-do_blit_drawpixels(GLcontext * ctx,
- GLint x, GLint y,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *unpack,
- const GLvoid * pixels)
+intel_stencil_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 *dest = intel_drawbuf_region(intel);
- struct intel_buffer_object *src = intel_buffer_object(unpack->BufferObj);
- GLuint src_offset;
- GLuint rowLength;
-
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s\n", __FUNCTION__);
+ GLuint texname, rb_name, fb_name, old_fb_name;
+ GLfloat vertices[4][2];
+ struct intel_renderbuffer *irb;
+ struct intel_renderbuffer *depth_irb;
+ struct gl_renderbuffer *rb;
+ struct gl_pixelstore_attrib old_unpack;
+ GLstencil *stencil_pixels;
+ int row, y1, y2;
+ GLint old_active_texture;
+ GLboolean rendering_to_fbo = ctx->DrawBuffer->Name != 0;
+
+ if (format != GL_STENCIL_INDEX)
+ return GL_FALSE;
+ /* If there's nothing to write, we're done. */
+ if (ctx->Stencil.WriteMask[0] == 0)
+ return GL_TRUE;
- if (!dest) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s - no dest\n", __FUNCTION__);
+ /* Can't do a per-bit writemask while treating stencil as rgba data. */
+ if ((ctx->Stencil.WriteMask[0] & 0xff) != 0xff) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels(STENCIL_INDEX) fallback: "
+ "stencil mask enabled\n");
return GL_FALSE;
}
- if (src) {
- /* This validation should be done by core mesa:
- */
- 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:
- */
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s - not PBO\n", __FUNCTION__);
+ /* We don't support stencil testing/ops here */
+ if (ctx->Stencil._Enabled)
return GL_FALSE;
- }
- if (!intel_check_blit_format(dest, format, type)) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s - bad format for blit\n", __FUNCTION__);
+ /* We use FBOs for our wrapping of the depthbuffer into a color
+ * destination.
+ */
+ if (!ctx->Extensions.EXT_framebuffer_object)
return GL_FALSE;
- }
- if (!intel_check_blit_fragment_ops(ctx, GL_FALSE)) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s - bad GL fragment state for blitter\n",
- __FUNCTION__);
+ /* We're going to mess with texturing with no regard to existing texture
+ * state, so if there is some set up we have to bail.
+ */
+ if (ctx->Texture._EnabledUnits != 0) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels(STENCIL_INDEX) fallback: "
+ "texturing enabled\n");
return GL_FALSE;
}
- if (ctx->Pixel.ZoomX != 1.0F) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s - bad PixelZoomX for blit\n", __FUNCTION__);
+ /* Can't do textured DrawPixels with a fragment program, unless we were
+ * to generate a new program that sampled our texture and put the results
+ * in the fragment color before the user's program started.
+ */
+ if (ctx->FragmentProgram.Enabled) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels(STENCIL_INDEX) fallback: "
+ "fragment program enabled\n");
return GL_FALSE;
}
-
- if (unpack->RowLength > 0)
- rowLength = unpack->RowLength;
- else
- rowLength = width;
-
- if (ctx->Pixel.ZoomY == -1.0F) {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s - bad PixelZoomY for blit\n", __FUNCTION__);
- return GL_FALSE; /* later */
- y -= height;
- }
- else if (ctx->Pixel.ZoomY == 1.0F) {
- rowLength = -rowLength;
+ /* Check that we can load in a texture this big. */
+ if (width > (1 << (ctx->Const.MaxTextureLevels - 1)) ||
+ height > (1 << (ctx->Const.MaxTextureLevels - 1))) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr, "glDrawPixels(STENCIL_INDEX) fallback: "
+ "bitmap too large (%dx%d)\n",
+ width, height);
+ return GL_FALSE;
}
- else {
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s - bad PixelZoomY for blit\n", __FUNCTION__);
+
+ if (!ctx->Extensions.ARB_texture_non_power_of_two &&
+ (!is_power_of_two(width) || !is_power_of_two(height))) {
+ if (INTEL_DEBUG & DEBUG_FALLBACKS)
+ fprintf(stderr,
+ "glDrawPixels(GL_STENCIL_INDEX) fallback: NPOT texture\n");
return GL_FALSE;
}
- src_offset = (GLuint) _mesa_image_address(2, unpack, pixels, width, height,
- format, type, 0, 0, 0);
-
- intelFlush(&intel->ctx);
- LOCK_HARDWARE(intel);
-
- if (intel->driDrawable->numClipRects) {
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- int nbox = dPriv->numClipRects;
- drm_clip_rect_t *box = dPriv->pClipRects;
- drm_clip_rect_t rect;
- drm_clip_rect_t dest_rect;
- dri_bo *src_buffer = intel_bufferobj_buffer(intel, src, INTEL_READ);
- int i;
-
- dest_rect.x1 = dPriv->x + x;
- dest_rect.y1 = dPriv->y + dPriv->h - (y + height);
- dest_rect.x2 = dest_rect.x1 + width;
- dest_rect.y2 = dest_rect.y1 + height;
-
- for (i = 0; i < nbox; i++) {
- if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i]))
- continue;
-
- intelEmitCopyBlit(intel,
- dest->cpp,
- rowLength, src_buffer, src_offset, GL_FALSE,
- dest->pitch, dest->buffer, 0, dest->tiling,
- rect.x1 - dest_rect.x1,
- rect.y2 - dest_rect.y2,
- rect.x1,
- rect.y1, rect.x2 - rect.x1, rect.y2 - rect.y1,
- ctx->Color.ColorLogicOpEnabled ?
- ctx->Color.LogicOp : GL_COPY);
- }
+ _mesa_PushAttrib(GL_ENABLE_BIT | GL_TEXTURE_BIT |
+ GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ _mesa_PushClientAttrib(GL_CLIENT_VERTEX_ARRAY_BIT);
+ old_fb_name = ctx->DrawBuffer->Name;
+ old_active_texture = ctx->Texture.CurrentUnit;
+
+ _mesa_Disable(GL_POLYGON_STIPPLE);
+ _mesa_Disable(GL_DEPTH_TEST);
+ _mesa_Disable(GL_STENCIL_TEST);
+
+ /* Unpack the supplied stencil values into a ubyte buffer. */
+ assert(sizeof(GLstencil) == sizeof(GLubyte));
+ stencil_pixels = _mesa_malloc(width * height * sizeof(GLstencil));
+ for (row = 0; row < height; row++) {
+ GLvoid *source = _mesa_image_address2d(unpack, pixels,
+ width, height,
+ GL_COLOR_INDEX, type,
+ row, 0);
+ _mesa_unpack_stencil_span(ctx, width, GL_UNSIGNED_BYTE,
+ stencil_pixels +
+ row * width * sizeof(GLstencil),
+ type, source, unpack, ctx->_ImageTransferState);
}
- UNLOCK_HARDWARE(intel);
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s - DONE\n", __FUNCTION__);
+ /* Take the current depth/stencil renderbuffer, and make a new one wrapping
+ * it which will be treated as GL_RGBA8 so we can render to it as a color
+ * buffer.
+ */
+ depth_irb = intel_get_renderbuffer(ctx->DrawBuffer, BUFFER_DEPTH);
+ irb = intel_create_renderbuffer(GL_RGBA8);
+ rb = &irb->Base;
+ irb->Base.Width = depth_irb->Base.Width;
+ irb->Base.Height = depth_irb->Base.Height;
+ intel_renderbuffer_set_region(irb, depth_irb->region);
+
+ /* Create a name for our renderbuffer, which lets us use other mesa
+ * rb functions for convenience.
+ */
+ _mesa_GenRenderbuffersEXT(1, &rb_name);
+ irb->Base.RefCount++;
+ _mesa_HashInsert(ctx->Shared->RenderBuffers, rb_name, &irb->Base);
+
+ /* Bind the new renderbuffer to the color attachment point. */
+ _mesa_GenFramebuffersEXT(1, &fb_name);
+ _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, fb_name);
+ _mesa_FramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+ GL_COLOR_ATTACHMENT0_EXT,
+ GL_RENDERBUFFER_EXT,
+ rb_name);
+ /* Choose to render to the color attachment. */
+ _mesa_DrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
+
+ _mesa_DepthMask(GL_FALSE);
+ _mesa_ColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE);
+
+ _mesa_ActiveTextureARB(GL_TEXTURE0_ARB);
+ _mesa_Enable(GL_TEXTURE_2D);
+ _mesa_GenTextures(1, &texname);
+ _mesa_BindTexture(GL_TEXTURE_2D, texname);
+ _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ _mesa_TexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ _mesa_TexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ old_unpack = ctx->Unpack;
+ ctx->Unpack = ctx->DefaultPacking;
+ _mesa_TexImage2D(GL_TEXTURE_2D, 0, GL_INTENSITY, width, height, 0,
+ GL_RED, GL_UNSIGNED_BYTE, stencil_pixels);
+ ctx->Unpack = old_unpack;
+ _mesa_free(stencil_pixels);
+
+ meta_set_passthrough_transform(&intel->meta);
+
+ /* Since we're rendering to the framebuffer as if it was an FBO,
+ * if it's the window system we have to flip the coordinates.
+ */
+ if (rendering_to_fbo) {
+ y1 = y;
+ y2 = y + height * ctx->Pixel.ZoomY;
+ } else {
+ y1 = irb->Base.Height - (y + height * ctx->Pixel.ZoomY);
+ y2 = irb->Base.Height - y;
+ }
+ vertices[0][0] = x;
+ vertices[0][1] = y1;
+ vertices[1][0] = x + width * ctx->Pixel.ZoomX;
+ vertices[1][1] = y1;
+ vertices[2][0] = x + width * ctx->Pixel.ZoomX;
+ vertices[2][1] = y2;
+ vertices[3][0] = x;
+ vertices[3][1] = y2;
- return GL_TRUE;
-}
+ _mesa_VertexPointer(2, GL_FLOAT, 2 * sizeof(GLfloat), &vertices);
+ _mesa_Enable(GL_VERTEX_ARRAY);
+ meta_set_default_texrect(&intel->meta);
+
+ _mesa_DrawArrays(GL_TRIANGLE_FAN, 0, 4);
+ meta_restore_texcoords(&intel->meta);
+ meta_restore_transform(&intel->meta);
+ _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + old_active_texture);
+ _mesa_BindFramebufferEXT(GL_FRAMEBUFFER_EXT, old_fb_name);
+
+ _mesa_PopClientAttrib();
+ _mesa_PopAttrib();
+
+ _mesa_DeleteTextures(1, &texname);
+ _mesa_DeleteFramebuffersEXT(1, &fb_name);
+ _mesa_DeleteRenderbuffersEXT(1, &rb_name);
+
+ return GL_TRUE;
+}
void
intelDrawPixels(GLcontext * ctx,
const struct gl_pixelstore_attrib *unpack,
const GLvoid * pixels)
{
- if (do_blit_drawpixels(ctx, x, y, width, height, format, type,
- unpack, pixels))
+ if (intel_texture_drawpixels(ctx, x, y, width, height, format, type,
+ unpack, pixels))
return;
- if (do_texture_drawpixels(ctx, x, y, width, height, format, type,
- unpack, pixels))
+ if (intel_stencil_drawpixels(ctx, x, y, width, height, format, type,
+ unpack, pixels))
return;
-
if (INTEL_DEBUG & DEBUG_PIXEL)
_mesa_printf("%s: fallback to swrast\n", __FUNCTION__);
- if (ctx->FragmentProgram._Current == ctx->FragmentProgram._TexEnvProgram) {
- /*
- * We don't want the i915 texenv program to be applied to DrawPixels.
- * This is really just a performance optimization (mesa will other-
- * wise happily run the fragment program on each pixel in the image).
- */
- struct gl_fragment_program *fpSave = ctx->FragmentProgram._Current;
- /* can't just set current frag prog to 0 here as on buffer resize
- we'll get new state checks which will segfault. Remains a hack. */
- ctx->FragmentProgram._Current = NULL;
- ctx->FragmentProgram._UseTexEnvProgram = GL_FALSE;
- ctx->FragmentProgram._Active = GL_FALSE;
- _swrast_DrawPixels( ctx, x, y, width, height, format, type,
- unpack, pixels );
- ctx->FragmentProgram._Current = fpSave;
- ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE;
- ctx->FragmentProgram._Active = GL_TRUE;
- _swrast_InvalidateState(ctx, _NEW_PROGRAM);
- }
- else {
- _swrast_DrawPixels( ctx, x, y, width, height, format, type,
- unpack, pixels );
- }
+ _swrast_DrawPixels(ctx, x, y, width, height, format, type,
+ unpack, pixels);
}