diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915-tex/intel_blit.c')
| -rw-r--r-- | src/mesa/drivers/dri/i915-tex/intel_blit.c | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/src/mesa/drivers/dri/i915-tex/intel_blit.c b/src/mesa/drivers/dri/i915-tex/intel_blit.c deleted file mode 100644 index aefc3b39187..00000000000 --- a/src/mesa/drivers/dri/i915-tex/intel_blit.c +++ /dev/null @@ -1,437 +0,0 @@ -/************************************************************************** - * - * 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" - -#include "intel_bufmgr.h" - - -/** - * Copy the back color buffer to the front color buffer. - * Used for SwapBuffers(). - */ -void intelCopyBuffer( const __DRIdrawablePrivate *dPriv ) -{ - GET_CURRENT_CONTEXT(ctx); - struct intel_context *intel; - - DBG("%s\n", __FUNCTION__); - - assert(dPriv); - - /* We need a rendering context in order to issue the blit cmd. - * Use the current context. - * XXX need to fix this someday. - */ - if (!ctx) { - _mesa_problem(NULL, "No current context in intelCopyBuffer()"); - return; - } - intel = (struct intel_context *) ctx; - - bmFinishFence(intel->bm, intel->last_swap_fence); - - /* The LOCK_HARDWARE is required for the cliprects. Buffer offsets - * should work regardless. - */ - LOCK_HARDWARE( intel ); - - if (intel->driDrawable && - intel->driDrawable->numClipRects) - { - const intelScreenPrivate *intelScreen = intel->intelScreen; - struct gl_framebuffer *fb - = (struct gl_framebuffer *) dPriv->driverPrivate; - const struct intel_region *frontRegion - = intel_get_rb_region(fb, BUFFER_FRONT_LEFT); - const struct intel_region *backRegion - = intel_get_rb_region(fb, 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(fb); - ASSERT(fb->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_SRC_COPY_BLT_WRITE_ALPHA | - XY_SRC_COPY_BLT_WRITE_RGB); - } - - for (i = 0 ; i < nbox; i++, pbox++) - { - if (pbox->x1 > pbox->x2 || - pbox->y1 > pbox->y2 || - pbox->x2 > intelScreen->width || - pbox->y2 > intelScreen->height) - 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 ); - - if (intel->sarea->pf_current_page == 0) - OUT_RELOC( frontRegion->buffer, DRM_MM_TT|DRM_MM_WRITE, 0 ); - else - OUT_RELOC( backRegion->buffer, DRM_MM_TT|DRM_MM_WRITE, 0 ); - OUT_BATCH( (pbox->y1 << 16) | pbox->x1 ); - OUT_BATCH( BR13 & 0xffff ); - - if (intel->sarea->pf_current_page == 0) - OUT_RELOC( backRegion->buffer, DRM_MM_TT|DRM_MM_READ, 0 ); - else - OUT_RELOC( frontRegion->buffer, DRM_MM_TT|DRM_MM_READ, 0 ); - - ADVANCE_BATCH(); - } - - intel->last_swap_fence = intel_batchbuffer_flush( intel->batch ); - } - UNLOCK_HARDWARE( intel ); -} - - - - -void intelEmitFillBlit( struct intel_context *intel, - GLuint cpp, - GLshort dst_pitch, - GLuint 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_COLOR_BLT_WRITE_ALPHA | - XY_COLOR_BLT_WRITE_RGB); - break; - default: - return; - } - - 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_MM_TT|DRM_MM_WRITE, dst_offset ); - OUT_BATCH( color ); - ADVANCE_BATCH(); -} - - -/* Copy BitBlt - */ -void intelEmitCopyBlit( struct intel_context *intel, - GLuint cpp, - GLshort src_pitch, - GLuint src_buffer, - GLuint src_offset, - GLshort dst_pitch, - GLuint dst_buffer, - GLuint dst_offset, - GLshort src_x, GLshort src_y, - GLshort dst_x, GLshort dst_y, - GLshort w, GLshort h ) -{ - GLuint CMD, BR13; - int dst_y2 = dst_y + h; - int dst_x2 = dst_x + w; - BATCH_LOCALS; - - - DBG("%s src:buf(%d)/%d+%d %d,%d dst:buf(%d)/%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) | (0xCC << 16) | (1<<24); - CMD = XY_SRC_COPY_BLT_CMD; - break; - case 4: - BR13 = (((GLint)dst_pitch)&0xffff) | (0xCC << 16) | (1<<24) | (1<<25); - CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA | - XY_SRC_COPY_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_MM_TT|DRM_MM_WRITE, dst_offset ); - OUT_BATCH( (src_y << 16) | src_x ); - OUT_BATCH( ((GLint)src_pitch&0xffff) ); - OUT_RELOC( src_buffer, DRM_MM_TT|DRM_MM_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_MM_TT|DRM_MM_WRITE, dst_offset + dst_y * dst_pitch ); - OUT_BATCH( (0 << 16) | src_x ); - OUT_BATCH( ((GLint)src_pitch&0xffff) ); - OUT_RELOC( src_buffer, DRM_MM_TT|DRM_MM_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, GLboolean all, - GLint cx, GLint cy, GLint cw, GLint ch) -{ - struct intel_context *intel = intel_context( ctx ); - GLuint clear_depth; - GLbitfield skipBuffers = 0; - BATCH_LOCALS; - - if (INTEL_DEBUG & DEBUG_DRI) - _mesa_printf("%s %x\n", __FUNCTION__, mask); - - /* - * Compute values for clearing the buffers. - */ - clear_depth = 0; - if (mask & BUFFER_BIT_DEPTH) { - clear_depth = (GLuint) (ctx->DrawBuffer->_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) - { - drm_clip_rect_t clear; - int i; - - if (intel->ctx.DrawBuffer->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; - - /* adjust for page flipping */ - if ( intel->sarea->pf_current_page == 1 ) { - const GLuint tmp = mask; - mask &= ~(BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT); - if ( tmp & BUFFER_BIT_FRONT_LEFT ) mask |= BUFFER_BIT_BACK_LEFT; - if ( tmp & BUFFER_BIT_BACK_LEFT ) mask |= BUFFER_BIT_FRONT_LEFT; - } - } - else { - /* clearing FBO */ - ASSERT(intel->numClipRects == 1); - ASSERT(intel->pClipRects == &intel->fboRect); - clear.x1 = cx; - clear.y1 = intel->ctx.DrawBuffer->Height - cy - ch; - clear.x2 = clear.y1 + 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 */ - - if (!all) { - intel_intersect_cliprects(&b, &clear, box); - } else { - b = *box; - } - - 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 */ - const struct intel_renderbuffer *irb - = intel_renderbuffer(ctx->DrawBuffer-> - Attachment[buf].Renderbuffer); - GLuint clearVal; - GLint pitch, cpp; - GLuint BR13, CMD; - - ASSERT(irb); - ASSERT(irb->region); - - pitch = irb->region->pitch; - cpp = irb->region->cpp; - - /* 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_COLOR_BLT_WRITE_RGB; - if (clearMask & BUFFER_BIT_STENCIL) - CMD |= XY_COLOR_BLT_WRITE_ALPHA; - } - else { - /* clearing RGBA */ - CMD = (XY_COLOR_BLT_CMD | - XY_COLOR_BLT_WRITE_ALPHA | - XY_COLOR_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); - */ - 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( irb->region->buffer, DRM_MM_TT|DRM_MM_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 ); -} - - |