From 9e68e191ac9d32f2f93e840a66127e724b442756 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Thu, 20 Dec 2007 11:44:40 -0800 Subject: [intel] Move some pixel path support from drivers to shared. --- src/mesa/drivers/dri/intel/intel_pixel_draw.c | 386 ++++++++++++++++++++++++++ 1 file changed, 386 insertions(+) create mode 100644 src/mesa/drivers/dri/intel/intel_pixel_draw.c (limited to 'src/mesa/drivers/dri/intel/intel_pixel_draw.c') diff --git a/src/mesa/drivers/dri/intel/intel_pixel_draw.c b/src/mesa/drivers/dri/intel/intel_pixel_draw.c new file mode 100644 index 0000000000..566f884be0 --- /dev/null +++ b/src/mesa/drivers/dri/intel/intel_pixel_draw.c @@ -0,0 +1,386 @@ +/************************************************************************** + * + * 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->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_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 ); + } +} -- cgit v1.2.3