+++ /dev/null
-/**************************************************************************
- *
- * 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 "vblank.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 (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);
-}
projects / mesa.git / blobdiff