diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_pixel_draw.c')
| l---------[-rw-r--r--] | src/mesa/drivers/dri/i915/intel_pixel_draw.c | 387 |
1 files changed, 1 insertions, 386 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_pixel_draw.c b/src/mesa/drivers/dri/i915/intel_pixel_draw.c index 0fea9a1d01..8431a24edf 100644..120000 --- a/src/mesa/drivers/dri/i915/intel_pixel_draw.c +++ b/src/mesa/drivers/dri/i915/intel_pixel_draw.c @@ -1,386 +1 @@ -/************************************************************************** - * - * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. - * 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, sub license, 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 (including the - * next paragraph) shall be included in all copies or substantial portionsalloc - * 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 NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 "enums.h" -#include "image.h" -#include "mtypes.h" -#include "macros.h" -#include "bufferobj.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" - - - -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->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; -} - - - - - -/* 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) -{ - 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; - dri_fence *fence = NULL; - - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s\n", __FUNCTION__); - - - if (!dest) { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - no dest\n", __FUNCTION__); - 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__); - 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__); - return GL_FALSE; - } - - if (!intel_check_blit_fragment_ops(ctx)) { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - bad GL fragment state for blitter\n", - __FUNCTION__); - return GL_FALSE; - } - - if (ctx->Pixel.ZoomX != 1.0F) { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - bad PixelZoomX for blit\n", __FUNCTION__); - 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; - } - else { - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - bad PixelZoomY for blit\n", __FUNCTION__); - 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->tiled, - 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); - } - intel_batchbuffer_flush(intel->batch); - fence = intel->batch->last_fence; - dri_fence_reference(fence); - } - UNLOCK_HARDWARE(intel); - - if (fence) { - dri_fence_wait(fence); - dri_fence_unreference(fence); - } - - if (INTEL_DEBUG & DEBUG_PIXEL) - _mesa_printf("%s - DONE\n", __FUNCTION__); - - return GL_TRUE; -} - - - -void -intelDrawPixels(GLcontext * ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, - GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid * pixels) -{ - if (do_blit_drawpixels(ctx, x, y, width, height, format, type, - unpack, pixels)) - return; - - if (do_texture_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; - } - else { - _swrast_DrawPixels( ctx, x, y, width, height, format, type, - unpack, pixels ); - } -} +../intel/intel_pixel_draw.c
\ No newline at end of file |