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Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_blit.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_blit.c152
1 files changed, 77 insertions, 75 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_blit.c b/src/mesa/drivers/dri/intel/intel_blit.c
index 49198281316..0c5be4c7989 100644
--- a/src/mesa/drivers/dri/intel/intel_blit.c
+++ b/src/mesa/drivers/dri/intel/intel_blit.c
@@ -108,6 +108,8 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
CMD = XY_SRC_COPY_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
}
+ assert(src->tiling != I915_TILING_Y);
+ assert(dst->tiling != I915_TILING_Y);
#ifndef I915
if (src->tiling != I915_TILING_NONE) {
CMD |= XY_SRC_TILED;
@@ -175,66 +177,6 @@ intelCopyBuffer(const __DRIdrawablePrivate * dPriv,
UNLOCK_HARDWARE(intel);
}
-
-
-
-void
-intelEmitFillBlit(struct intel_context *intel,
- GLuint cpp,
- GLshort dst_pitch,
- dri_bo *dst_buffer,
- GLuint dst_offset,
- uint32_t dst_tiling,
- GLshort x, GLshort y,
- GLshort w, GLshort h,
- GLuint color)
-{
- GLuint BR13, CMD;
- BATCH_LOCALS;
-
- dst_pitch *= cpp;
-
- switch (cpp) {
- case 1:
- BR13 = (0xF0 << 16);
- CMD = XY_COLOR_BLT_CMD;
- break;
- case 2:
- BR13 = (0xF0 << 16) | BR13_565;
- CMD = XY_COLOR_BLT_CMD;
- break;
- case 4:
- BR13 = (0xF0 << 16) | BR13_8888;
- CMD = XY_COLOR_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
- break;
- default:
- return;
- }
-#ifndef I915
- if (dst_tiling != I915_TILING_NONE) {
- CMD |= XY_DST_TILED;
- dst_pitch /= 4;
- }
-#endif
-
- DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
- __FUNCTION__, dst_buffer, dst_pitch, dst_offset, x, y, w, h);
-
- assert(w > 0);
- assert(h > 0);
-
- BEGIN_BATCH(6, NO_LOOP_CLIPRECTS);
- OUT_BATCH(CMD);
- OUT_BATCH(BR13 | dst_pitch);
- OUT_BATCH((y << 16) | x);
- OUT_BATCH(((y + h) << 16) | (x + w));
- OUT_RELOC(dst_buffer,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
- dst_offset);
- OUT_BATCH(color);
- ADVANCE_BATCH();
-}
-
static GLuint translate_raster_op(GLenum logicop)
{
switch(logicop) {
@@ -261,7 +203,7 @@ static GLuint translate_raster_op(GLenum logicop)
/* Copy BitBlt
*/
-void
+GLboolean
intelEmitCopyBlit(struct intel_context *intel,
GLuint cpp,
GLshort src_pitch,
@@ -283,6 +225,19 @@ intelEmitCopyBlit(struct intel_context *intel,
dri_bo *aper_array[3];
BATCH_LOCALS;
+ if (dst_tiling != I915_TILING_NONE) {
+ if (dst_offset & 4095)
+ return GL_FALSE;
+ if (dst_tiling == I915_TILING_Y)
+ return GL_FALSE;
+ }
+ if (src_tiling != I915_TILING_NONE) {
+ if (src_offset & 4095)
+ return GL_FALSE;
+ if (src_tiling == I915_TILING_Y)
+ return GL_FALSE;
+ }
+
/* do space/cliprects check before going any further */
do {
aper_array[0] = intel->batch->buf;
@@ -297,12 +252,7 @@ intelEmitCopyBlit(struct intel_context *intel,
} while (pass < 2);
if (pass >= 2) {
- GLboolean locked = GL_FALSE;
- if (!intel->locked) {
- LOCK_HARDWARE(intel);
- locked = GL_TRUE;
- }
-
+ LOCK_HARDWARE(intel);
dri_bo_map(dst_buffer, GL_TRUE);
dri_bo_map(src_buffer, GL_FALSE);
_mesa_copy_rect((GLubyte *)dst_buffer->virtual + dst_offset,
@@ -316,11 +266,9 @@ intelEmitCopyBlit(struct intel_context *intel,
dri_bo_unmap(src_buffer);
dri_bo_unmap(dst_buffer);
-
- if (locked)
- UNLOCK_HARDWARE(intel);
+ UNLOCK_HARDWARE(intel);
- return;
+ return GL_TRUE;
}
intel_batchbuffer_require_space(intel->batch, 8 * 4, NO_LOOP_CLIPRECTS);
@@ -347,7 +295,7 @@ intelEmitCopyBlit(struct intel_context *intel,
CMD = XY_SRC_COPY_BLT_CMD | XY_BLT_WRITE_ALPHA | XY_BLT_WRITE_RGB;
break;
default:
- return;
+ return GL_FALSE;
}
#ifndef I915
@@ -362,7 +310,7 @@ intelEmitCopyBlit(struct intel_context *intel,
#endif
if (dst_y2 <= dst_y || dst_x2 <= dst_x) {
- return;
+ return GL_TRUE;
}
assert(dst_x < dst_x2);
@@ -384,6 +332,8 @@ intelEmitCopyBlit(struct intel_context *intel,
ADVANCE_BATCH();
intel_batchbuffer_emit_mi_flush(intel->batch);
+
+ return GL_TRUE;
}
@@ -527,6 +477,8 @@ intelClearWithBlit(GLcontext *ctx, GLbitfield mask)
BR13 |= BR13_565;
}
+ assert(irb->region->tiling != I915_TILING_Y);
+
#ifndef I915
if (irb->region->tiling != I915_TILING_NONE) {
CMD |= XY_DST_TILED;
@@ -596,7 +548,7 @@ intelClearWithBlit(GLcontext *ctx, GLbitfield mask)
UNLOCK_HARDWARE(intel);
}
-void
+GLboolean
intelEmitImmediateColorExpandBlit(struct intel_context *intel,
GLuint cpp,
GLubyte *src_bits, GLuint src_size,
@@ -612,11 +564,19 @@ intelEmitImmediateColorExpandBlit(struct intel_context *intel,
int dwords = ALIGN(src_size, 8) / 4;
uint32_t opcode, br13, blit_cmd;
+ if (dst_tiling != I915_TILING_NONE) {
+ if (dst_offset & 4095)
+ return GL_FALSE;
+ if (dst_tiling == I915_TILING_Y)
+ return GL_FALSE;
+ }
+
assert( logic_op - GL_CLEAR >= 0 );
assert( logic_op - GL_CLEAR < 0x10 );
+ assert(dst_pitch > 0);
if (w < 0 || h < 0)
- return;
+ return GL_TRUE;
dst_pitch *= cpp;
@@ -673,4 +633,46 @@ intelEmitImmediateColorExpandBlit(struct intel_context *intel,
REFERENCES_CLIPRECTS );
intel_batchbuffer_emit_mi_flush(intel->batch);
+
+ return GL_TRUE;
+}
+
+/* We don't have a memmove-type blit like some other hardware, so we'll do a
+ * rectangular blit covering a large space, then emit 1-scanline blit at the
+ * end to cover the last if we need.
+ */
+void
+intel_emit_linear_blit(struct intel_context *intel,
+ drm_intel_bo *dst_bo,
+ unsigned int dst_offset,
+ drm_intel_bo *src_bo,
+ unsigned int src_offset,
+ unsigned int size)
+{
+ GLuint pitch, height;
+
+ /* The pitch is a signed value. */
+ pitch = MIN2(size, (1 << 15) - 1);
+ height = size / pitch;
+ intelEmitCopyBlit(intel, 1,
+ pitch, src_bo, src_offset, I915_TILING_NONE,
+ pitch, dst_bo, dst_offset, I915_TILING_NONE,
+ 0, 0, /* src x/y */
+ 0, 0, /* dst x/y */
+ pitch, height, /* w, h */
+ GL_COPY);
+
+ src_offset += pitch * height;
+ dst_offset += pitch * height;
+ size -= pitch * height;
+ assert (size < (1 << 15));
+ if (size != 0) {
+ intelEmitCopyBlit(intel, 1,
+ size, src_bo, src_offset, I915_TILING_NONE,
+ size, dst_bo, dst_offset, I915_TILING_NONE,
+ 0, 0, /* src x/y */
+ 0, 0, /* dst x/y */
+ size, 1, /* w, h */
+ GL_COPY);
+ }
}