diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_blit.c')
l---------[-rw-r--r--] | src/mesa/drivers/dri/i915/intel_blit.c | 492 |
1 files changed, 1 insertions, 491 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_blit.c b/src/mesa/drivers/dri/i915/intel_blit.c index 2761136..dd6c8d1 100644..120000 --- a/src/mesa/drivers/dri/i915/intel_blit.c +++ b/src/mesa/drivers/dri/i915/intel_blit.c @@ -1,491 +1 @@ -/************************************************************************** - * - * Copyright 2003 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 portions - * 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 <stdio.h> -#include <errno.h> - -#include "mtypes.h" -#include "context.h" -#include "enums.h" - -#include "intel_batchbuffer.h" -#include "intel_blit.h" -#include "intel_buffers.h" -#include "intel_context.h" -#include "intel_fbo.h" -#include "intel_reg.h" -#include "intel_regions.h" - -#define FILE_DEBUG_FLAG DEBUG_BLIT - -/** - * Copy the back color buffer to the front color buffer. - * Used for SwapBuffers(). - */ -void -intelCopyBuffer(const __DRIdrawablePrivate * dPriv, - const drm_clip_rect_t * rect) -{ - - struct intel_context *intel; - const intelScreenPrivate *intelScreen; - - DBG("%s\n", __FUNCTION__); - - assert(dPriv); - - intel = intelScreenContext(dPriv->driScreenPriv->private); - if (!intel) - return; - - intelScreen = intel->intelScreen; - - if (intel->last_swap_fence) { - dri_fence_wait(intel->last_swap_fence); - dri_fence_unreference(intel->last_swap_fence); - intel->last_swap_fence = NULL; - } - intel->last_swap_fence = intel->first_swap_fence; - intel->first_swap_fence = NULL; - - /* The LOCK_HARDWARE is required for the cliprects. Buffer offsets - * should work regardless. - */ - LOCK_HARDWARE(intel); - - if (dPriv && dPriv->numClipRects) { - struct intel_framebuffer *intel_fb = dPriv->driverPrivate; - const struct intel_region *frontRegion - = intel_get_rb_region(&intel_fb->Base, BUFFER_FRONT_LEFT); - const struct intel_region *backRegion - = intel_get_rb_region(&intel_fb->Base, BUFFER_BACK_LEFT); - const int nbox = dPriv->numClipRects; - const drm_clip_rect_t *pbox = dPriv->pClipRects; - const int pitch = frontRegion->pitch; - const int cpp = frontRegion->cpp; - int BR13, CMD; - int i; - - ASSERT(intel_fb); - ASSERT(intel_fb->Base.Name == 0); /* Not a user-created FBO */ - ASSERT(frontRegion); - ASSERT(backRegion); - ASSERT(frontRegion->pitch == backRegion->pitch); - ASSERT(frontRegion->cpp == backRegion->cpp); - - if (cpp == 2) { - BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24); - CMD = XY_SRC_COPY_BLT_CMD; - } - else { - BR13 = (pitch * cpp) | (0xCC << 16) | (1 << 24) | (1 << 25); - CMD = (XY_SRC_COPY_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB); - } - - for (i = 0; i < nbox; i++, pbox++) { - drm_clip_rect_t box; - - if (pbox->x1 > pbox->x2 || - pbox->y1 > pbox->y2 || - pbox->x2 > intelScreen->width || pbox->y2 > intelScreen->height) - continue; - - box = *pbox; - - if (rect) { - if (rect->x1 > box.x1) - box.x1 = rect->x1; - if (rect->y1 > box.y1) - box.y1 = rect->y1; - if (rect->x2 < box.x2) - box.x2 = rect->x2; - if (rect->y2 < box.y2) - box.y2 = rect->y2; - - if (box.x1 > box.x2 || box.y1 > box.y2) - continue; - } - - BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS); - OUT_BATCH(CMD); - OUT_BATCH(BR13); - OUT_BATCH((pbox->y1 << 16) | pbox->x1); - OUT_BATCH((pbox->y2 << 16) | pbox->x2); - - OUT_RELOC(frontRegion->buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, - 0); - OUT_BATCH((pbox->y1 << 16) | pbox->x1); - OUT_BATCH(BR13 & 0xffff); - OUT_RELOC(backRegion->buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, - 0); - - ADVANCE_BATCH(); - } - - if (intel->first_swap_fence) - dri_fence_unreference(intel->first_swap_fence); - intel_batchbuffer_flush(intel->batch); - intel->first_swap_fence = intel->batch->last_fence; - dri_fence_reference(intel->first_swap_fence); - } - - UNLOCK_HARDWARE(intel); -} - - - - -void -intelEmitFillBlit(struct intel_context *intel, - GLuint cpp, - GLshort dst_pitch, - dri_bo *dst_buffer, - GLuint dst_offset, - GLshort x, GLshort y, GLshort w, GLshort h, GLuint color) -{ - GLuint BR13, CMD; - BATCH_LOCALS; - - dst_pitch *= cpp; - - switch (cpp) { - case 1: - case 2: - case 3: - BR13 = dst_pitch | (0xF0 << 16) | (1 << 24); - CMD = XY_COLOR_BLT_CMD; - break; - case 4: - BR13 = dst_pitch | (0xF0 << 16) | (1 << 24) | (1 << 25); - CMD = (XY_COLOR_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB); - break; - default: - return; - } - - DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", - __FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h); - - - BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS); - OUT_BATCH(CMD); - OUT_BATCH(BR13); - OUT_BATCH((y << 16) | x); - OUT_BATCH(((y + h) << 16) | (x + w)); - OUT_RELOC(dst_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, dst_offset); - OUT_BATCH(color); - ADVANCE_BATCH(); -} - - -static GLuint translate_raster_op(GLenum logicop) -{ - switch(logicop) { - case GL_CLEAR: return 0x00; - case GL_AND: return 0x88; - case GL_AND_REVERSE: return 0x44; - case GL_COPY: return 0xCC; - case GL_AND_INVERTED: return 0x22; - case GL_NOOP: return 0xAA; - case GL_XOR: return 0x66; - case GL_OR: return 0xEE; - case GL_NOR: return 0x11; - case GL_EQUIV: return 0x99; - case GL_INVERT: return 0x55; - case GL_OR_REVERSE: return 0xDD; - case GL_COPY_INVERTED: return 0x33; - case GL_OR_INVERTED: return 0xBB; - case GL_NAND: return 0x77; - case GL_SET: return 0xFF; - default: return 0; - } -} - - -/* Copy BitBlt - */ -void -intelEmitCopyBlit(struct intel_context *intel, - GLuint cpp, - GLshort src_pitch, - dri_bo *src_buffer, - GLuint src_offset, - GLshort dst_pitch, - dri_bo *dst_buffer, - GLuint dst_offset, - GLshort src_x, GLshort src_y, - GLshort dst_x, GLshort dst_y, - GLshort w, GLshort h, - GLenum logic_op) -{ - GLuint CMD, BR13; - int dst_y2 = dst_y + h; - int dst_x2 = dst_x + w; - BATCH_LOCALS; - - - DBG("%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", - __FUNCTION__, - src_buffer, src_pitch, src_offset, src_x, src_y, - dst_buffer, dst_pitch, dst_offset, dst_x, dst_y, w, h); - - src_pitch *= cpp; - dst_pitch *= cpp; - - switch (cpp) { - case 1: - case 2: - case 3: - BR13 = (((GLint) dst_pitch) & 0xffff) | - (translate_raster_op(logic_op) << 16) | (1 << 24); - CMD = XY_SRC_COPY_BLT_CMD; - break; - case 4: - BR13 = - (((GLint) dst_pitch) & 0xffff) | - (translate_raster_op(logic_op) << 16) | (1 << 24) | (1 << 25); - CMD = - (XY_SRC_COPY_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB); - break; - default: - return; - } - - if (dst_y2 < dst_y || dst_x2 < dst_x) { - return; - } - - /* Initial y values don't seem to work with negative pitches. If - * we adjust the offsets manually (below), it seems to work fine. - * - * On the other hand, if we always adjust, the hardware doesn't - * know which blit directions to use, so overlapping copypixels get - * the wrong result. - */ - if (dst_pitch > 0 && src_pitch > 0) { - BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS); - OUT_BATCH(CMD); - OUT_BATCH(BR13); - OUT_BATCH((dst_y << 16) | dst_x); - OUT_BATCH((dst_y2 << 16) | dst_x2); - OUT_RELOC(dst_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, dst_offset); - OUT_BATCH((src_y << 16) | src_x); - OUT_BATCH(((GLint) src_pitch & 0xffff)); - OUT_RELOC(src_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, src_offset); - ADVANCE_BATCH(); - } - else { - BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS); - OUT_BATCH(CMD); - OUT_BATCH(BR13); - OUT_BATCH((0 << 16) | dst_x); - OUT_BATCH((h << 16) | dst_x2); - OUT_RELOC(dst_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, - dst_offset + dst_y * dst_pitch); - OUT_BATCH((0 << 16) | src_x); - OUT_BATCH(((GLint) src_pitch & 0xffff)); - OUT_RELOC(src_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_READ, - src_offset + src_y * src_pitch); - ADVANCE_BATCH(); - } -} - - -/** - * Use blitting to clear the renderbuffers named by 'flags'. - * Note: we can't use the ctx->DrawBuffer->_ColorDrawBufferMask field - * since that might include software renderbuffers or renderbuffers - * which we're clearing with triangles. - * \param mask bitmask of BUFFER_BIT_* values indicating buffers to clear - */ -void -intelClearWithBlit(GLcontext * ctx, GLbitfield mask) -{ - struct intel_context *intel = intel_context(ctx); - struct gl_framebuffer *fb = ctx->DrawBuffer; - GLuint clear_depth; - GLbitfield skipBuffers = 0; - BATCH_LOCALS; - - DBG("%s %x\n", __FUNCTION__, mask); - - /* - * Compute values for clearing the buffers. - */ - clear_depth = 0; - if (mask & BUFFER_BIT_DEPTH) { - clear_depth = (GLuint) (fb->_DepthMax * ctx->Depth.Clear); - } - if (mask & BUFFER_BIT_STENCIL) { - clear_depth |= (ctx->Stencil.Clear & 0xff) << 24; - } - - /* If clearing both depth and stencil, skip BUFFER_BIT_STENCIL in - * the loop below. - */ - if ((mask & BUFFER_BIT_DEPTH) && (mask & BUFFER_BIT_STENCIL)) { - skipBuffers = BUFFER_BIT_STENCIL; - } - - /* XXX Move this flush/lock into the following conditional? */ - intelFlush(&intel->ctx); - LOCK_HARDWARE(intel); - - if (intel->numClipRects) { - GLint cx, cy, cw, ch; - drm_clip_rect_t clear; - int i; - - /* Get clear bounds after locking */ - cx = fb->_Xmin; - cy = fb->_Ymin; - cw = fb->_Xmax - cx; - ch = fb->_Ymax - cy; - - if (fb->Name == 0) { - /* clearing a window */ - - /* flip top to bottom */ - clear.x1 = cx + intel->drawX; - clear.y1 = intel->driDrawable->y + intel->driDrawable->h - cy - ch; - clear.x2 = clear.x1 + cw; - clear.y2 = clear.y1 + ch; - } - else { - /* clearing FBO */ - assert(intel->numClipRects == 1); - assert(intel->pClipRects == &intel->fboRect); - clear.x1 = cx; - clear.y1 = cy; - clear.x2 = clear.x1 + cw; - clear.y2 = clear.y1 + ch; - /* no change to mask */ - } - - for (i = 0; i < intel->numClipRects; i++) { - const drm_clip_rect_t *box = &intel->pClipRects[i]; - drm_clip_rect_t b; - GLuint buf; - GLuint clearMask = mask; /* use copy, since we modify it below */ - GLboolean all = (cw == fb->Width && ch == fb->Height); - - if (!all) { - intel_intersect_cliprects(&b, &clear, box); - } - else { - b = *box; - } - - if (b.x1 >= b.x2 || b.y1 >= b.y2) - continue; - - if (0) - _mesa_printf("clear %d,%d..%d,%d, mask %x\n", - b.x1, b.y1, b.x2, b.y2, mask); - - /* Loop over all renderbuffers */ - for (buf = 0; buf < BUFFER_COUNT && clearMask; buf++) { - const GLbitfield bufBit = 1 << buf; - if ((clearMask & bufBit) && !(bufBit & skipBuffers)) { - /* OK, clear this renderbuffer */ - struct intel_region *irb_region = - intel_get_rb_region(fb, buf); - dri_bo *write_buffer = - intel_region_buffer(intel->intelScreen, irb_region, - all ? INTEL_WRITE_FULL : - INTEL_WRITE_PART); - - GLuint clearVal; - GLint pitch, cpp; - GLuint BR13, CMD; - - ASSERT(irb_region); - - pitch = irb_region->pitch; - cpp = irb_region->cpp; - - DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n", - __FUNCTION__, - irb_region->buffer, (pitch * cpp), - irb_region->draw_offset, - b.x1, b.y1, b.x2 - b.x1, b.y2 - b.y1); - - - /* Setup the blit command */ - if (cpp == 4) { - BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24) | (1 << 25); - if (buf == BUFFER_DEPTH || buf == BUFFER_STENCIL) { - CMD = XY_COLOR_BLT_CMD; - if (clearMask & BUFFER_BIT_DEPTH) - CMD |= XY_BLT_WRITE_RGB; - if (clearMask & BUFFER_BIT_STENCIL) - CMD |= XY_BLT_WRITE_ALPHA; - } - else { - /* clearing RGBA */ - CMD = XY_COLOR_BLT_CMD | - XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB; - } - } - else { - ASSERT(cpp == 2 || cpp == 0); - BR13 = (0xF0 << 16) | (pitch * cpp) | (1 << 24); - CMD = XY_COLOR_BLT_CMD; - } - - if (buf == BUFFER_DEPTH || buf == BUFFER_STENCIL) { - clearVal = clear_depth; - } - else { - clearVal = (cpp == 4) - ? intel->ClearColor8888 : intel->ClearColor565; - } - /* - _mesa_debug(ctx, "hardware blit clear buf %d rb id %d\n", - buf, irb->Base.Name); - */ - intel_wait_flips(intel, INTEL_BATCH_NO_CLIPRECTS); - - BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS); - OUT_BATCH(CMD); - OUT_BATCH(BR13); - OUT_BATCH((b.y1 << 16) | b.x1); - OUT_BATCH((b.y2 << 16) | b.x2); - OUT_RELOC(write_buffer, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_WRITE, - irb_region->draw_offset); - OUT_BATCH(clearVal); - ADVANCE_BATCH(); - clearMask &= ~bufBit; /* turn off bit, for faster loop exit */ - } - } - } - intel_batchbuffer_flush(intel->batch); - } - - UNLOCK_HARDWARE(intel); -} +../intel/intel_blit.c
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