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path: root/src/gallium/drivers/r300/r300_surface.c
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Diffstat (limited to 'src/gallium/drivers/r300/r300_surface.c')
-rw-r--r--src/gallium/drivers/r300/r300_surface.c372
1 files changed, 372 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_surface.c b/src/gallium/drivers/r300/r300_surface.c
new file mode 100644
index 0000000000..96e6e4a77d
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_surface.c
@@ -0,0 +1,372 @@
+/*
+ * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
+ * Joakim Sindholt <opensource@zhasha.com>
+ *
+ * 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
+ * on 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
+ * THE AUTHOR(S) AND/OR THEIR 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 "r300_surface.h"
+
+static void r300_surface_setup(struct r300_context* r300,
+ struct r300_texture* dest,
+ unsigned x, unsigned y,
+ unsigned w, unsigned h)
+{
+ struct r300_capabilities* caps = r300_screen(r300->context.screen)->caps;
+ unsigned pixpitch = dest->stride / dest->tex.block.size;
+ CS_LOCALS(r300);
+
+ r300_emit_blend_state(r300, &blend_clear_state);
+ r300_emit_blend_color_state(r300, &blend_color_clear_state);
+ r300_emit_dsa_state(r300, &dsa_clear_state);
+ r300_emit_rs_state(r300, &rs_clear_state);
+
+ BEGIN_CS(26);
+
+ /* Viewport setup */
+ OUT_CS_REG_SEQ(R300_SE_VPORT_XSCALE, 6);
+ OUT_CS_32F((float)w);
+ OUT_CS_32F((float)x);
+ OUT_CS_32F((float)h);
+ OUT_CS_32F((float)y);
+ OUT_CS_32F(1.0);
+ OUT_CS_32F(0.0);
+
+ OUT_CS_REG(R300_VAP_VTE_CNTL, R300_VPORT_X_SCALE_ENA |
+ R300_VPORT_X_OFFSET_ENA |
+ R300_VPORT_Y_SCALE_ENA |
+ R300_VPORT_Y_OFFSET_ENA |
+ R300_VTX_XY_FMT | R300_VTX_Z_FMT);
+
+ /* Pixel scissors. */
+ OUT_CS_REG_SEQ(R300_SC_SCISSORS_TL, 2);
+ if (caps->is_r500) {
+ OUT_CS((x << R300_SCISSORS_X_SHIFT) | (y << R300_SCISSORS_Y_SHIFT));
+ OUT_CS(((w - 1) << R300_SCISSORS_X_SHIFT) | ((h - 1) << R300_SCISSORS_Y_SHIFT));
+ } else {
+ /* Non-R500 chipsets have an offset of 1440 in their scissors. */
+ OUT_CS(((x + 1440) << R300_SCISSORS_X_SHIFT) |
+ ((y + 1440) << R300_SCISSORS_Y_SHIFT));
+ OUT_CS((((w - 1) + 1440) << R300_SCISSORS_X_SHIFT) |
+ (((h - 1) + 1440) << R300_SCISSORS_Y_SHIFT));
+ }
+
+ /* Flush colorbuffer and blend caches. */
+ OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT,
+ R300_RB3D_DSTCACHE_CTLSTAT_DC_FLUSH_FLUSH_DIRTY_3D |
+ R300_RB3D_DSTCACHE_CTLSTAT_DC_FINISH_SIGNAL);
+ OUT_CS_REG(R300_ZB_ZCACHE_CTLSTAT,
+ R300_ZB_ZCACHE_CTLSTAT_ZC_FLUSH_FLUSH_AND_FREE |
+ R300_ZB_ZCACHE_CTLSTAT_ZC_FREE_FREE);
+
+ /* Setup colorbuffer. */
+ OUT_CS_REG_SEQ(R300_RB3D_COLOROFFSET0, 1);
+ OUT_CS_RELOC(dest->buffer, 0, 0, RADEON_GEM_DOMAIN_VRAM, 0);
+ OUT_CS_REG_SEQ(R300_RB3D_COLORPITCH0, 1);
+ OUT_CS_RELOC(dest->buffer, pixpitch |
+ r300_translate_colorformat(dest->tex.format), 0,
+ RADEON_GEM_DOMAIN_VRAM, 0);
+ OUT_CS_REG(RB3D_COLOR_CHANNEL_MASK, 0xf);
+
+ END_CS;
+}
+
+/* Provides pipe_context's "surface_fill". Commonly used for clearing
+ * buffers. */
+static void r300_surface_fill(struct pipe_context* pipe,
+ struct pipe_surface* dest,
+ unsigned x, unsigned y,
+ unsigned w, unsigned h,
+ unsigned color)
+{
+ int i;
+ float r, g, b, a, depth;
+ struct r300_context* r300 = r300_context(pipe);
+ struct r300_capabilities* caps = r300_screen(pipe->screen)->caps;
+ struct r300_texture* tex = (struct r300_texture*)dest->texture;
+ unsigned pixpitch = tex->stride / tex->tex.block.size;
+ boolean invalid = FALSE;
+ CS_LOCALS(r300);
+
+ a = (float)((color >> 24) & 0xff) / 255.0f;
+ r = (float)((color >> 16) & 0xff) / 255.0f;
+ g = (float)((color >> 8) & 0xff) / 255.0f;
+ b = (float)((color >> 0) & 0xff) / 255.0f;
+ debug_printf("r300: Filling surface %p at (%d,%d),"
+ " dimensions %dx%d (pixel pitch %d), color 0x%x\n",
+ dest, x, y, w, h, pixpitch, color);
+
+ /* Fallback? */
+ if (FALSE) {
+fallback:
+ debug_printf("r300: Falling back on surface clear...");
+ util_surface_fill(pipe, dest, x, y, w, h, color);
+ return;
+ }
+
+ /* Make sure our target BO is okay. */
+validate:
+ if (!r300->winsys->add_buffer(r300->winsys, tex->buffer,
+ 0, RADEON_GEM_DOMAIN_VRAM)) {
+ r300->context.flush(&r300->context, 0, NULL);
+ goto validate;
+ }
+ if (!r300->winsys->validate(r300->winsys)) {
+ r300->context.flush(&r300->context, 0, NULL);
+ if (invalid) {
+ debug_printf("r300: Stuck in validation loop, gonna fallback.");
+ goto fallback;
+ }
+ invalid = TRUE;
+ goto validate;
+ }
+
+ r300_surface_setup(r300, tex, x, y, w, h);
+
+ /* Vertex shader setup */
+ if (caps->has_tcl) {
+ r300_emit_vertex_program_code(r300, &r300_passthrough_vertex_shader, 0);
+ } else {
+ BEGIN_CS(4);
+ OUT_CS_REG(R300_VAP_CNTL_STATUS,
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ R300_VC_32BIT_SWAP |
+#endif
+ R300_VAP_TCL_BYPASS);
+ OUT_CS_REG(R300_VAP_CNTL, R300_PVS_NUM_SLOTS(5) |
+ R300_PVS_NUM_CNTLRS(5) |
+ R300_PVS_NUM_FPUS(caps->num_vert_fpus) |
+ R300_PVS_VF_MAX_VTX_NUM(12));
+ END_CS;
+ }
+
+ /* Fragment shader setup */
+ if (caps->is_r500) {
+ r500_emit_fragment_program_code(r300, &r5xx_passthrough_fragment_shader, 0);
+ r300_emit_rs_block_state(r300, &r5xx_rs_block_clear_state);
+ } else {
+ r300_emit_fragment_program_code(r300, &r3xx_passthrough_fragment_shader, 0);
+ r300_emit_rs_block_state(r300, &r3xx_rs_block_clear_state);
+ }
+
+ BEGIN_CS(26);
+
+ /* VAP stream control, mapping from input memory to PVS/RS memory */
+ if (caps->has_tcl) {
+ OUT_CS_REG(R300_VAP_PROG_STREAM_CNTL_0,
+ (R300_DATA_TYPE_FLOAT_4 << R300_DATA_TYPE_0_SHIFT) |
+ ((R300_LAST_VEC | (1 << R300_DST_VEC_LOC_SHIFT) |
+ R300_DATA_TYPE_FLOAT_4) << R300_DATA_TYPE_1_SHIFT));
+ } else {
+ OUT_CS_REG(R300_VAP_PROG_STREAM_CNTL_0,
+ (R300_DATA_TYPE_FLOAT_4 << R300_DATA_TYPE_0_SHIFT) |
+ ((R300_LAST_VEC | (2 << R300_DST_VEC_LOC_SHIFT) |
+ R300_DATA_TYPE_FLOAT_4) << R300_DATA_TYPE_1_SHIFT));
+ }
+ OUT_CS_REG(R300_VAP_PROG_STREAM_CNTL_EXT_0,
+ (R300_VAP_SWIZZLE_XYZW << R300_SWIZZLE0_SHIFT) |
+ (R300_VAP_SWIZZLE_XYZW << R300_SWIZZLE1_SHIFT));
+
+ /* VAP format controls */
+ OUT_CS_REG(R300_VAP_OUTPUT_VTX_FMT_0,
+ R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT |
+ R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT);
+ OUT_CS_REG(R300_VAP_OUTPUT_VTX_FMT_1, 0x0);
+
+ /* Disable textures */
+ OUT_CS_REG(R300_TX_ENABLE, 0x0);
+
+ /* The size of the point we're about to draw, in sixths of pixels */
+ OUT_CS_REG(R300_GA_POINT_SIZE,
+ ((h * 6) & R300_POINTSIZE_Y_MASK) |
+ ((w * 6) << R300_POINTSIZE_X_SHIFT));
+
+ /* Vertex size. */
+ OUT_CS_REG(R300_VAP_VTX_SIZE, 0x8);
+
+ /* Packet3 with our point vertex */
+ OUT_CS_PKT3(R200_3D_DRAW_IMMD_2, 8);
+ OUT_CS(R300_PRIM_TYPE_POINT | R300_PRIM_WALK_RING |
+ (1 << R300_PRIM_NUM_VERTICES_SHIFT));
+ /* Position */
+ OUT_CS_32F(0.5);
+ OUT_CS_32F(0.5);
+ OUT_CS_32F(1.0);
+ OUT_CS_32F(1.0);
+ /* Color */
+ OUT_CS_32F(r);
+ OUT_CS_32F(g);
+ OUT_CS_32F(b);
+ OUT_CS_32F(a);
+
+ OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT, 0xA);
+
+ END_CS;
+
+ r300->dirty_hw++;
+}
+
+static void r300_surface_copy(struct pipe_context* pipe,
+ struct pipe_surface* dest,
+ unsigned destx, unsigned desty,
+ struct pipe_surface* src,
+ unsigned srcx, unsigned srcy,
+ unsigned w, unsigned h)
+{
+ struct r300_context* r300 = r300_context(pipe);
+ struct r300_capabilities* caps = r300_screen(pipe->screen)->caps;
+ struct r300_texture* srctex = (struct r300_texture*)src->texture;
+ struct r300_texture* desttex = (struct r300_texture*)dest->texture;
+ unsigned pixpitch = srctex->stride / srctex->tex.block.size;
+ boolean invalid = FALSE;
+ float fsrcx = srcx, fsrcy = srcy, fdestx = destx, fdesty = desty;
+ CS_LOCALS(r300);
+
+ debug_printf("r300: Copying surface %p at (%d,%d) to %p at (%d, %d),"
+ " dimensions %dx%d (pixel pitch %d)\n",
+ src, srcx, srcy, dest, destx, desty, w, h, pixpitch);
+
+ if ((srctex->buffer == desttex->buffer) &&
+ ((destx < srcx + w) || (srcx < destx + w)) &&
+ ((desty < srcy + h) || (srcy < desty + h))) {
+fallback:
+ debug_printf("r300: Falling back on surface_copy\n");
+ util_surface_copy(pipe, FALSE, dest, destx, desty, src,
+ srcx, srcy, w, h);
+ }
+
+ /* Add our target BOs to the list. */
+validate:
+ if (!r300->winsys->add_buffer(r300->winsys, srctex->buffer,
+ RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM, 0)) {
+ r300->context.flush(&r300->context, 0, NULL);
+ goto validate;
+ }
+ if (!r300->winsys->add_buffer(r300->winsys, desttex->buffer,
+ 0, RADEON_GEM_DOMAIN_VRAM)) {
+ r300->context.flush(&r300->context, 0, NULL);
+ goto validate;
+ }
+ if (!r300->winsys->validate(r300->winsys)) {
+ r300->context.flush(&r300->context, 0, NULL);
+ if (invalid) {
+ debug_printf("r300: Stuck in validation loop, gonna fallback.");
+ goto fallback;
+ }
+ invalid = TRUE;
+ goto validate;
+ }
+
+ r300_surface_setup(r300, desttex, destx, desty, w, h);
+
+ /* Setup the texture. */
+ r300_emit_texture(r300, &r300_sampler_copy_state, srctex, 0);
+
+ /* Flush and enable. */
+ r300_flush_textures(r300);
+
+ /* Vertex shader setup */
+ if (caps->has_tcl) {
+ r300_emit_vertex_program_code(r300, &r300_passthrough_vertex_shader, 0);
+ } else {
+ BEGIN_CS(4);
+ OUT_CS_REG(R300_VAP_CNTL_STATUS,
+#ifdef PIPE_ARCH_BIG_ENDIAN
+ R300_VC_32BIT_SWAP |
+#endif
+ R300_VAP_TCL_BYPASS);
+ OUT_CS_REG(R300_VAP_CNTL, R300_PVS_NUM_SLOTS(5) |
+ R300_PVS_NUM_CNTLRS(5) |
+ R300_PVS_NUM_FPUS(caps->num_vert_fpus) |
+ R300_PVS_VF_MAX_VTX_NUM(12));
+ END_CS;
+ }
+
+ /* Fragment shader setup */
+ if (caps->is_r500) {
+ r500_emit_fragment_program_code(r300, &r5xx_texture_fragment_shader, 0);
+ r300_emit_rs_block_state(r300, &r5xx_rs_block_copy_state);
+ } else {
+ r300_emit_fragment_program_code(r300, &r3xx_texture_fragment_shader, 0);
+ r300_emit_rs_block_state(r300, &r3xx_rs_block_copy_state);
+ }
+
+ BEGIN_CS(30);
+ /* VAP stream control, mapping from input memory to PVS/RS memory */
+ if (caps->has_tcl) {
+ OUT_CS_REG(R300_VAP_PROG_STREAM_CNTL_0,
+ (R300_DATA_TYPE_FLOAT_2 << R300_DATA_TYPE_0_SHIFT) |
+ ((R300_LAST_VEC | (1 << R300_DST_VEC_LOC_SHIFT) |
+ R300_DATA_TYPE_FLOAT_2) << R300_DATA_TYPE_1_SHIFT));
+ } else {
+ OUT_CS_REG(R300_VAP_PROG_STREAM_CNTL_0,
+ (R300_DATA_TYPE_FLOAT_2 << R300_DATA_TYPE_0_SHIFT) |
+ ((R300_LAST_VEC | (6 << R300_DST_VEC_LOC_SHIFT) |
+ R300_DATA_TYPE_FLOAT_2) << R300_DATA_TYPE_1_SHIFT));
+ }
+ OUT_CS_REG(R300_VAP_PROG_STREAM_CNTL_EXT_0,
+ (R300_VAP_SWIZZLE_XYZW << R300_SWIZZLE0_SHIFT) |
+ (R300_VAP_SWIZZLE_XYZW << R300_SWIZZLE1_SHIFT));
+
+ /* VAP format controls */
+ OUT_CS_REG(R300_VAP_OUTPUT_VTX_FMT_0,
+ R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT);
+ /* Two components of texture 0 */
+ OUT_CS_REG(R300_VAP_OUTPUT_VTX_FMT_1, 0x2);
+
+ /* Vertex size. */
+ OUT_CS_REG(R300_VAP_VTX_SIZE, 0x4);
+
+ /* Packet3 with our texcoords */
+ OUT_CS_PKT3(R200_3D_DRAW_IMMD_2, 16);
+ OUT_CS(R300_PRIM_TYPE_QUADS | R300_PRIM_WALK_RING |
+ (4 << R300_PRIM_NUM_VERTICES_SHIFT));
+ /* (x , y ) */
+ OUT_CS_32F(fdestx / dest->width);
+ OUT_CS_32F(fdesty / dest->height);
+ OUT_CS_32F(fsrcx / src->width);
+ OUT_CS_32F(fsrcy / src->height);
+ /* (x , y + h) */
+ OUT_CS_32F(fdestx / dest->width);
+ OUT_CS_32F((fdesty + h) / dest->height);
+ OUT_CS_32F(fsrcx / src->width);
+ OUT_CS_32F((fsrcy + h) / src->height);
+ /* (x + w, y + h) */
+ OUT_CS_32F((fdestx + w) / dest->width);
+ OUT_CS_32F((fdesty + h) / dest->height);
+ OUT_CS_32F((fsrcx + w) / src->width);
+ OUT_CS_32F((fsrcy + h) / src->height);
+ /* (x + w, y ) */
+ OUT_CS_32F((fdestx + w) / dest->width);
+ OUT_CS_32F(fdesty / dest->height);
+ OUT_CS_32F((fsrcx + w) / src->width);
+ OUT_CS_32F(fsrcy / src->height);
+
+ OUT_CS_REG(R300_RB3D_DSTCACHE_CTLSTAT, 0xA);
+
+ END_CS;
+
+ r300->dirty_hw++;
+}
+
+void r300_init_surface_functions(struct r300_context* r300)
+{
+ r300->context.surface_fill = r300_surface_fill;
+ r300->context.surface_copy = r300_surface_copy;
+}
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