inst->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_XYZW;
compiler.Base.Program.InputsRead = (1 << FRAG_ATTRIB_TEX0);
- compiler.OutputColor = FRAG_RESULT_COLOR;
+ compiler.OutputColor[0] = FRAG_RESULT_COLOR;
compiler.OutputDepth = FRAG_RESULT_DEPTH;
compiler.is_r500 = (r300->radeon.radeonScreen->chip_family >= CHIP_FAMILY_RV515);
compiler.code = &r300->blit.fp_code;
(R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_T_SHIFT) |
(R300_TX_CLAMP_TO_EDGE << R300_TX_WRAP_R_SHIFT) |
R300_TX_MIN_FILTER_MIP_NONE |
- R300_TX_MIN_FILTER_LINEAR |
- R300_TX_MAG_FILTER_LINEAR |
+ R300_TX_MIN_FILTER_NEAREST |
+ R300_TX_MAG_FILTER_NEAREST |
(0 << 28));
OUT_BATCH_REGVAL(R300_TX_FILTER1_0, 0);
OUT_BATCH_REGVAL(R300_TX_SIZE_0,
{
switch(mesa_format)
{
- case MESA_FORMAT_S8_Z24:
- case MESA_FORMAT_X8_Z24:
case MESA_FORMAT_RGBA8888: // x
return EASY_US_FORMAT(R500_OUT_FMT_C4_8, A, B, G, R, 0);
case MESA_FORMAT_RGB565: // x
return EASY_US_FORMAT(R500_OUT_FMT_C4_16, R, G, B, A, 0xf);
default:
- assert(!"Invalid format for US output\n");
+ fprintf(stderr, "Unsupported format %s for US output\n", _mesa_get_format_name(mesa_format));
+ assert(0);
return 0;
}
}
return GL_TRUE;
}
+/**
+ * Calculate texcoords for given image region.
+ * Output values are [minx, maxx, miny, maxy]
+ */
+static void calc_tex_coords(float img_width, float img_height,
+ float x, float y,
+ float reg_width, float reg_height,
+ unsigned flip_y, float *buf)
+{
+ buf[0] = x / img_width;
+ buf[1] = buf[0] + reg_width / img_width;
+ buf[2] = y / img_height;
+ buf[3] = buf[2] + reg_height / img_height;
+ if (flip_y)
+ {
+ buf[2] = 1.0 - buf[2];
+ buf[3] = 1.0 - buf[3];
+ }
+}
+
static void emit_draw_packet(struct r300_context *r300,
- float src_width, float src_height,
- float dst_width, float dst_height)
+ unsigned src_width, unsigned src_height,
+ unsigned src_x_offset, unsigned src_y_offset,
+ unsigned dst_x_offset, unsigned dst_y_offset,
+ unsigned reg_width, unsigned reg_height,
+ unsigned flip_y)
{
- float verts[] = { 0.0, 0.0, 0.0, 1.0,
- 0.0, dst_height, 0.0, 1.0 - dst_height/src_height,
- dst_width, dst_height, dst_width/src_width, 1.0 - dst_height/src_height,
- dst_width, 0.0, dst_width/src_width, 1.0 };
+ float texcoords[4];
+
+ calc_tex_coords(src_width, src_height,
+ src_x_offset, src_y_offset,
+ reg_width, reg_height,
+ flip_y, texcoords);
+
+ float verts[] = { dst_x_offset, dst_y_offset,
+ texcoords[0], texcoords[2],
+ dst_x_offset, dst_y_offset + reg_height,
+ texcoords[0], texcoords[3],
+ dst_x_offset + reg_width, dst_y_offset + reg_height,
+ texcoords[1], texcoords[3],
+ dst_x_offset + reg_width, dst_y_offset,
+ texcoords[1], texcoords[2] };
BATCH_LOCALS(&r300->radeon);
END_BATCH();
}
-GLboolean r300_blit(struct r300_context *r300,
- struct radeon_bo *src_bo,
- intptr_t src_offset,
- gl_format src_mesaformat,
- unsigned src_pitch,
- unsigned src_width,
- unsigned src_height,
- struct radeon_bo *dst_bo,
- intptr_t dst_offset,
- gl_format dst_mesaformat,
- unsigned dst_pitch,
- unsigned dst_width,
- unsigned dst_height)
+static unsigned is_blit_supported(gl_format dst_format)
{
- /* Need to clamp the destination size to make sure
- * we don't write outside of the buffer
+ switch (dst_format) {
+ case MESA_FORMAT_RGB565:
+ case MESA_FORMAT_ARGB1555:
+ case MESA_FORMAT_RGBA8888:
+ case MESA_FORMAT_RGBA8888_REV:
+ case MESA_FORMAT_ARGB8888:
+ case MESA_FORMAT_ARGB8888_REV:
+ case MESA_FORMAT_XRGB8888:
+ break;
+ default:
+ return 0;
+ }
+
+ if (_mesa_get_format_bits(dst_format, GL_DEPTH_BITS) > 0)
+ return 0;
+
+ return 1;
+}
+
+/**
+ * Copy a region of [@a width x @a height] pixels from source buffer
+ * to destination buffer.
+ * @param[in] r300 r300 context
+ * @param[in] src_bo source radeon buffer object
+ * @param[in] src_offset offset of the source image in the @a src_bo
+ * @param[in] src_mesaformat source image format
+ * @param[in] src_pitch aligned source image width
+ * @param[in] src_width source image width
+ * @param[in] src_height source image height
+ * @param[in] src_x_offset x offset in the source image
+ * @param[in] src_y_offset y offset in the source image
+ * @param[in] dst_bo destination radeon buffer object
+ * @param[in] dst_offset offset of the destination image in the @a dst_bo
+ * @param[in] dst_mesaformat destination image format
+ * @param[in] dst_pitch aligned destination image width
+ * @param[in] dst_width destination image width
+ * @param[in] dst_height destination image height
+ * @param[in] dst_x_offset x offset in the destination image
+ * @param[in] dst_y_offset y offset in the destination image
+ * @param[in] width region width
+ * @param[in] height region height
+ * @param[in] flip_y set if y coords of the source image need to be flipped
+ */
+unsigned r300_blit(GLcontext *ctx,
+ struct radeon_bo *src_bo,
+ intptr_t src_offset,
+ gl_format src_mesaformat,
+ unsigned src_pitch,
+ unsigned src_width,
+ unsigned src_height,
+ unsigned src_x_offset,
+ unsigned src_y_offset,
+ struct radeon_bo *dst_bo,
+ intptr_t dst_offset,
+ gl_format dst_mesaformat,
+ unsigned dst_pitch,
+ unsigned dst_width,
+ unsigned dst_height,
+ unsigned dst_x_offset,
+ unsigned dst_y_offset,
+ unsigned reg_width,
+ unsigned reg_height,
+ unsigned flip_y)
+{
+ r300ContextPtr r300 = R300_CONTEXT(ctx);
+
+ if (!is_blit_supported(dst_mesaformat))
+ return 0;
+
+ /* Make sure that colorbuffer has even width - hw limitation */
+ if (dst_pitch % 2 > 0)
+ ++dst_pitch;
+
+ /* Rendering to small buffer doesn't work.
+ * Looks like a hw limitation.
+ */
+ if (dst_pitch < 32)
+ return 0;
+
+ /* Need to clamp the region size to make sure
+ * we don't read outside of the source buffer
+ * or write outside of the destination buffer.
*/
- dst_width = MIN2(dst_width, src_width);
- dst_height = MIN2(src_height, dst_height);
+ if (reg_width + src_x_offset > src_width)
+ reg_width = src_width - src_x_offset;
+ if (reg_height + src_y_offset > src_height)
+ reg_height = src_height - src_y_offset;
+ if (reg_width + dst_x_offset > dst_width)
+ reg_width = dst_width - dst_x_offset;
+ if (reg_height + dst_y_offset > dst_height)
+ reg_height = dst_height - dst_y_offset;
if (src_bo == dst_bo) {
+ return 0;
+ }
+
+ if (src_offset % 32 || dst_offset % 32) {
return GL_FALSE;
}
if (0) {
- fprintf(stderr, "src: width %d, height %d, pitch %d, format %s\n",
+ fprintf(stderr, "src: size [%d x %d], pitch %d, "
+ "offset [%d x %d], format %s, bo %p\n",
src_width, src_height, src_pitch,
- _mesa_get_format_name(src_mesaformat));
- fprintf(stderr, "dst: width %d, height %d, pitch %d, format %s\n",
- dst_width, dst_height, dst_pitch,
- _mesa_get_format_name(dst_mesaformat));
+ src_x_offset, src_y_offset,
+ _mesa_get_format_name(src_mesaformat),
+ src_bo);
+ fprintf(stderr, "dst: pitch %d, offset[%d x %d], format %s, bo %p\n",
+ dst_pitch, dst_x_offset, dst_y_offset,
+ _mesa_get_format_name(dst_mesaformat), dst_bo);
+ fprintf(stderr, "region: %d x %d\n", reg_width, reg_height);
}
+ /* Flush is needed to make sure that source buffer has correct data */
+ radeonFlush(r300->radeon.glCtx);
+
if (!validate_buffers(r300, src_bo, dst_bo))
- return GL_FALSE;
+ return 0;
rcommonEnsureCmdBufSpace(&r300->radeon, 200, __FUNCTION__);
emit_cb_setup(r300, dst_bo, dst_offset, dst_mesaformat, dst_pitch, dst_width, dst_height);
- emit_draw_packet(r300, src_width, src_height, dst_width, dst_height);
+ emit_draw_packet(r300, src_width, src_height,
+ src_x_offset, src_y_offset,
+ dst_x_offset, dst_y_offset,
+ reg_width, reg_height,
+ flip_y);
r300EmitCacheFlush(r300);
radeonFlush(r300->radeon.glCtx);
- return GL_TRUE;
-}
\ No newline at end of file
+ return 1;
+}
projects / mesa.git / blobdiff