X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fi915%2Fintel_pixel_copy.c;h=ba8e06f1f955e5647e5e27d2ee11cc07478b4e6c;hb=e6ec425d6eeac95f466174267b2c18c0bffca3f0;hp=9d478283e47bd4c60771ce3fd399cb2e8aa9e0fc;hpb=584b84256b07e106cd7295495355eb21226465d7;p=mesa.git diff --git a/src/mesa/drivers/dri/i915/intel_pixel_copy.c b/src/mesa/drivers/dri/i915/intel_pixel_copy.c index 9d478283e47..ba8e06f1f95 100644 --- a/src/mesa/drivers/dri/i915/intel_pixel_copy.c +++ b/src/mesa/drivers/dri/i915/intel_pixel_copy.c @@ -25,359 +25,186 @@ * **************************************************************************/ -#include "glheader.h" -#include "enums.h" -#include "image.h" -#include "state.h" -#include "mtypes.h" -#include "macros.h" -#include "swrast/swrast.h" +#include "main/glheader.h" +#include "main/image.h" +#include "main/state.h" +#include "main/mtypes.h" +#include "main/condrender.h" +#include "main/fbobject.h" +#include "drivers/common/meta.h" -#include "intel_screen.h" #include "intel_context.h" -#include "intel_ioctl.h" -#include "intel_batchbuffer.h" #include "intel_buffers.h" -#include "intel_blit.h" +#include "intel_mipmap_tree.h" #include "intel_regions.h" -#include "intel_tris.h" #include "intel_pixel.h" +#include "intel_fbo.h" +#include "intel_blit.h" #define FILE_DEBUG_FLAG DEBUG_PIXEL -static struct intel_region * -copypix_src_region(struct intel_context *intel, GLenum type) +/** + * 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 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; + 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: - return intel_readbuf_region(intel); - case GL_DEPTH: - /* Don't think this is really possible execpt at 16bpp, when we have no stencil. - */ - if (intel->intelScreen->depth_region && - intel->intelScreen->depth_region->cpp == 2) - return intel->intelScreen->depth_region; - case GL_STENCIL: - /* Don't think this is really possible. - */ + 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: - /* Does it matter whether it is stencil/depth or depth/stencil? - */ - return intel->intelScreen->depth_region; - default: + 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; } - return NULL; -} - - -/** - * Check if any fragment operations are in effect which might effect - * glCopyPixels. Differs from intel_check_blit_fragment_ops in that - * we allow Scissor. - */ -static GLboolean -intel_check_copypixel_blit_fragment_ops(GLcontext * ctx) -{ - if (ctx->NewState) - _mesa_update_state(ctx); - - /* Could do logicop with the blitter: - */ - return !(ctx->_ImageTransferState || - ctx->Color.AlphaEnabled || - ctx->Depth.Test || - ctx->Fog.Enabled || - ctx->Stencil.Enabled || - !ctx->Color.ColorMask[0] || - !ctx->Color.ColorMask[1] || - !ctx->Color.ColorMask[2] || - !ctx->Color.ColorMask[3] || - ctx->Texture._EnabledUnits || - ctx->FragmentProgram._Enabled || - ctx->Color.BlendEnabled); -} - -/* Doesn't work for overlapping regions. Could do a double copy or - * just fallback. - */ -static GLboolean -do_texture_copypixels(GLcontext * ctx, - GLint srcx, GLint srcy, - GLsizei width, GLsizei height, - GLint dstx, GLint dsty, GLenum type) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_region *dst = intel_drawbuf_region(intel); - struct intel_region *src = copypix_src_region(intel, type); - GLenum src_format; - GLenum src_type; - - DBG("%s %d,%d %dx%d --> %d,%d\n", __FUNCTION__, - srcx, srcy, width, height, dstx, dsty); - - if (!src || !dst || type != GL_COLOR) - return GL_FALSE; - - /* Can't handle overlapping regions. Don't have sufficient control - * over rasterization to pull it off in-place. Punt on these for - * now. - * - * XXX: do a copy to a temporary. - */ - if (src->buffer == dst->buffer) { - drm_clip_rect_t srcbox; - drm_clip_rect_t dstbox; - drm_clip_rect_t tmp; - - srcbox.x1 = srcx; - srcbox.y1 = srcy; - srcbox.x2 = srcx + width; - srcbox.y2 = srcy + height; - - dstbox.x1 = dstx; - dstbox.y1 = dsty; - dstbox.x2 = dstx + width * ctx->Pixel.ZoomX; - dstbox.y2 = dsty + height * ctx->Pixel.ZoomY; - - DBG("src %d,%d %d,%d\n", srcbox.x1, srcbox.y1, srcbox.x2, srcbox.y2); - DBG("dst %d,%d %d,%d (%dx%d) (%f,%f)\n", dstbox.x1, dstbox.y1, dstbox.x2, dstbox.y2, - width, height, ctx->Pixel.ZoomX, ctx->Pixel.ZoomY); - - if (intel_intersect_cliprects(&tmp, &srcbox, &dstbox)) { - DBG("%s: regions overlap\n", __FUNCTION__); - return GL_FALSE; - } + if (!draw_irb) { + perf_debug("glCopyPixels() fallback: missing draw buffer\n"); + return false; } - intelFlush(&intel->ctx); - - 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); - - if (src->cpp == 2) { - src_format = GL_RGB; - src_type = GL_UNSIGNED_SHORT_5_6_5; - } - else { - src_format = GL_BGRA; - src_type = GL_UNSIGNED_BYTE; + if (!read_irb) { + perf_debug("glCopyPixels() fallback: missing read buffer\n"); + return false; } - /* Set the frontbuffer up as a large rectangular texture. - */ - if (!intel->vtbl.meta_tex_rect_source(intel, src->buffer, 0, - src->pitch, - src->height, src_format, src_type)) { - intel->vtbl.leave_meta_state(intel); - return GL_FALSE; + if (ctx->_ImageTransferState) { + perf_debug("glCopyPixels(): Unsupported image transfer state\n"); + return false; } - - intel->vtbl.meta_texture_blend_replace(intel); - - LOCK_HARDWARE(intel); - - if (intel->driDrawable->numClipRects) { - __DRIdrawablePrivate *dPriv = intel->driDrawable; - - - srcy = dPriv->h - srcy - height; /* convert from gl to hardware coords */ - - srcx += dPriv->x; - srcy += dPriv->y; - - /* Clip against the source region. This is the only source - * clipping we do. XXX: Just set the texcord wrap mode to clamp - * or similar. - * - */ - if (0) { - GLint orig_x = srcx; - GLint orig_y = srcy; - - if (!_mesa_clip_to_region(0, 0, src->pitch, src->height, - &srcx, &srcy, &width, &height)) - goto out; - - dstx += srcx - orig_x; - dsty += (srcy - orig_y) * ctx->Pixel.ZoomY; - } - - /* Just use the regular cliprect mechanism... Does this need to - * even hold the lock??? - */ - intel_meta_draw_quad(intel, - dstx, - dstx + width * ctx->Pixel.ZoomX, - dPriv->h - (dsty + height * ctx->Pixel.ZoomY), - dPriv->h - (dsty), 0, /* XXX: what z value? */ - 0x00ff00ff, - srcx, srcx + width, srcy, srcy + height); - - out: - intel->vtbl.leave_meta_state(intel); - intel_batchbuffer_flush(intel->batch); + if (ctx->Depth.Test) { + perf_debug("glCopyPixels(): Unsupported depth test state\n"); + return false; } - UNLOCK_HARDWARE(intel); - - DBG("%s: success\n", __FUNCTION__); - return GL_TRUE; -} - - - - - -/** - * CopyPixels with the blitter. Don't support zooming, pixel transfer, etc. - */ -static GLboolean -do_blit_copypixels(GLcontext * ctx, - GLint srcx, GLint srcy, - GLsizei width, GLsizei height, - GLint dstx, GLint dsty, GLenum type) -{ - struct intel_context *intel = intel_context(ctx); - struct intel_region *dst = intel_drawbuf_region(intel); - struct intel_region *src = copypix_src_region(intel, type); - /* 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; - - if (!src || !dst) - return GL_FALSE; - - - - intelFlush(&intel->ctx); - - 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 delta_x = 0; - GLint delta_y = 0; - GLuint i; - - /* 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; - GLint dx = dstx - srcx; - GLint dy = dsty - srcy; - - if (!_mesa_clip_to_region(x, y, x+w-1, y+h-1, &dstx, &dsty, &width, &height)) - goto out; - - srcx = dstx - dx; - srcy = dsty - dy; - } - - /* Convert from GL to hardware coordinates: - */ - dsty = dPriv->h - dsty - height; - srcy = dPriv->h - srcy - height; - dstx += dPriv->x; - dsty += dPriv->y; - srcx += dPriv->x; - srcy += dPriv->y; - - /* Clip against the source region. This is the only source - * clipping we do. Dst is clipped with cliprects below. - */ - { - delta_x = srcx - dstx; - delta_y = srcy - dsty; - - if (!_mesa_clip_to_region(0, 0, src->pitch, src->height, - &srcx, &srcy, &width, &height)) - goto out; + if (ctx->Stencil._Enabled) { + perf_debug("glCopyPixels(): Unsupported stencil test state\n"); + return false; + } - dstx = srcx - delta_x; - dsty = srcy - delta_y; - } + if (ctx->Fog.Enabled || + ctx->Texture._EnabledUnits || + ctx->FragmentProgram._Enabled) { + perf_debug("glCopyPixels(): Unsupported fragment shader state\n"); + return false; + } - dest_rect.x1 = dstx; - dest_rect.y1 = dsty; - dest_rect.x2 = dstx + width; - dest_rect.y2 = dsty + height; + if (ctx->Color.AlphaEnabled || + ctx->Color.BlendEnabled) { + perf_debug("glCopyPixels(): Unsupported blend state\n"); + return false; + } - /* Could do slightly more clipping: Eg, take the intersection of - * the existing set of cliprects and those cliprects translated - * by delta_x, delta_y: - * - * This code will not overwrite other windows, but will - * introduce garbage when copying from obscured window regions. - */ - for (i = 0; i < nbox; i++) { - drm_clip_rect_t rect; + 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 (!intel_intersect_cliprects(&rect, &dest_rect, &box[i])) - continue; + if (ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F) { + perf_debug("glCopyPixles(): Unsupported pixel zoom\n"); + return 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; + + if (!intel_miptree_blit(intel, + 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; + } - intelEmitCopyBlit(intel, dst->cpp, - src->pitch, src->buffer, 0, - dst->pitch, dst->buffer, 0, - rect.x1 + delta_x, - rect.y1 + delta_y, /* srcx, srcy */ - rect.x1, rect.y1, /* dstx, dsty */ - rect.x2 - rect.x1, rect.y2 - rect.y1, - ctx->Color.ColorLogicOpEnabled ? - ctx->Color.LogicOp : GL_COPY); - } + if (ctx->Query.CurrentOcclusionObject) + ctx->Query.CurrentOcclusionObject->Result += width * height; - out: - intel_batchbuffer_flush(intel->batch); - } - UNLOCK_HARDWARE(intel); +out: + intel_check_front_buffer_rendering(intel); DBG("%s: success\n", __FUNCTION__); - return GL_TRUE; + return true; } void -intelCopyPixels(GLcontext * ctx, +intelCopyPixels(struct gl_context * ctx, GLint srcx, GLint srcy, GLsizei width, GLsizei height, GLint destx, GLint desty, GLenum type) { - if (INTEL_DEBUG & DEBUG_PIXEL) - fprintf(stderr, "%s\n", __FUNCTION__); + DBG("%s\n", __FUNCTION__); - if (do_blit_copypixels(ctx, srcx, srcy, width, height, destx, desty, type)) + if (!_mesa_check_conditional_render(ctx)) return; - if (do_texture_copypixels(ctx, srcx, srcy, width, height, destx, desty, type)) + if (do_blit_copypixels(ctx, srcx, srcy, width, height, destx, desty, type)) return; - DBG("fallback to _swrast_CopyPixels\n"); - - _swrast_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type); + /* this will use swrast if needed */ + _mesa_meta_CopyPixels(ctx, srcx, srcy, width, height, destx, desty, type); }