Initial R6xx/R7xx EXA and textured video support

1 files changed, 374 insertions, 0 deletions

diff --git a/src/r600_textured_videofuncs.c b/src/r600_textured_videofuncs.c
new file mode 100644
index 00000000..b1cd4f1d
--- /dev/null
+++ b/src/r600_textured_videofuncs.c
@@ -0,0 +1,374 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Author: Alex Deucher <alexander.deucher@amd.com>
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "xf86.h"
+
+#include "exa.h"
+
+#include "radeon.h"
+#include "r600_shader.h"
+#include "r600_reg.h"
+#include "r600_state.h"
+
+#include "radeon_video.h"
+
+#include <X11/extensions/Xv.h>
+#include "fourcc.h"
+
+#include "damage.h"
+
+
+void
+R600DisplayTexturedVideo(ScrnInfoPtr pScrn, RADEONPortPrivPtr pPriv)
+{
+    RADEONInfoPtr info = RADEONPTR(pScrn);
+    struct radeon_accel_state *accel_state = info->accel_state;
+    PixmapPtr pPixmap = pPriv->pPixmap;
+    BoxPtr pBox = REGION_RECTS(&pPriv->clip);
+    int nBox = REGION_NUM_RECTS(&pPriv->clip);
+    int dstxoff, dstyoff;
+    cb_config_t     cb_conf;
+    tex_resource_t  tex_res;
+    tex_sampler_t   tex_samp;
+    shader_config_t vs_conf, ps_conf;
+    draw_config_t   draw_conf;
+    vtx_resource_t  vtx_res;
+    int uv_offset;
+
+    static float ps_alu_consts[] = {
+	1.0,  0.0,      1.13983,  -1.13983/2,        // r - c[0]
+	1.0, -0.39465, -0.5806,  (0.39465+0.5806)/2, // g - c[1]
+	1.0,  2.03211,  0.0,     -2.03211/2,         // b - c[2]
+    };
+
+    CLEAR (cb_conf);
+    CLEAR (tex_res);
+    CLEAR (tex_samp);
+    CLEAR (vs_conf);
+    CLEAR (ps_conf);
+    CLEAR (draw_conf);
+    CLEAR (vtx_res);
+
+    accel_state->dst_pitch = exaGetPixmapPitch(pPixmap) / (pPixmap->drawable.bitsPerPixel / 8);
+    accel_state->src_pitch[0] = pPriv->src_pitch;
+
+    // bad pitch
+    if (accel_state->src_pitch[0] & 7)
+	return;
+    if (accel_state->dst_pitch & 7)
+	return;
+
+#ifdef COMPOSITE
+    dstxoff = -pPixmap->screen_x + pPixmap->drawable.x;
+    dstyoff = -pPixmap->screen_y + pPixmap->drawable.y;
+#else
+    dstxoff = 0;
+    dstyoff = 0;
+#endif
+
+    accel_state->ib = RADEONCPGetBuffer(pScrn);
+
+    /* Init */
+    start_3d(pScrn, accel_state->ib);
+
+    //cp_set_surface_sync(pScrn, accel_state->ib);
+
+    set_default_state(pScrn, accel_state->ib);
+
+    /* Scissor / viewport */
+    ereg  (accel_state->ib, PA_CL_VTE_CNTL,                      VTX_XY_FMT_bit);
+    ereg  (accel_state->ib, PA_CL_CLIP_CNTL,                     CLIP_DISABLE_bit);
+
+    accel_state->vs_mc_addr = info->fbLocation + pScrn->fbOffset + accel_state->shaders->offset +
+	accel_state->xv_vs_offset;
+    accel_state->ps_mc_addr = info->fbLocation + pScrn->fbOffset + accel_state->shaders->offset +
+	accel_state->xv_ps_offset;
+
+    accel_state->vs_size = 512;
+    accel_state->ps_size = 512;
+
+    /* Shader */
+
+    /* flush SQ cache */
+    cp_set_surface_sync(pScrn, accel_state->ib, SH_ACTION_ENA_bit,
+			accel_state->vs_size, accel_state->vs_mc_addr);
+
+    vs_conf.shader_addr         = accel_state->vs_mc_addr;
+    vs_conf.num_gprs            = 2;
+    vs_conf.stack_size          = 0;
+    vs_setup                    (pScrn, accel_state->ib, &vs_conf);
+
+    /* flush SQ cache */
+    cp_set_surface_sync(pScrn, accel_state->ib, SH_ACTION_ENA_bit,
+			accel_state->ps_size, accel_state->ps_mc_addr);
+
+    ps_conf.shader_addr         = accel_state->ps_mc_addr;
+    ps_conf.num_gprs            = 4;
+    ps_conf.stack_size          = 0;
+    ps_conf.uncached_first_inst = 1;
+    ps_conf.clamp_consts        = 0;
+    ps_conf.export_mode         = 2;
+    ps_setup                    (pScrn, accel_state->ib, &ps_conf);
+
+    // PS alu constants
+    set_alu_consts(pScrn, accel_state->ib, 0, sizeof(ps_alu_consts) / SQ_ALU_CONSTANT_offset, ps_alu_consts);
+
+    /* Texture */
+    accel_state->src_mc_addr[0] = pPriv->src_offset;
+    accel_state->src_size[0] = exaGetPixmapPitch(pPixmap) * pPriv->w;
+
+    /* flush texture cache */
+    cp_set_surface_sync(pScrn, accel_state->ib, TC_ACTION_ENA_bit, 512,
+			accel_state->src_mc_addr[0]);
+
+    // Y texture
+    tex_res.id                  = 0;
+    tex_res.w                   = pPriv->w;
+    tex_res.h                   = pPriv->h;
+    tex_res.pitch               = accel_state->src_pitch[0];
+    tex_res.depth               = 0;
+    tex_res.dim                 = SQ_TEX_DIM_2D;
+    tex_res.base                = accel_state->src_mc_addr[0];
+    tex_res.mip_base            = accel_state->src_mc_addr[0];
+
+    tex_res.format              = FMT_8;
+    tex_res.dst_sel_x           = SQ_SEL_X; //Y
+    tex_res.dst_sel_y           = SQ_SEL_1;
+    tex_res.dst_sel_z           = SQ_SEL_1;
+    tex_res.dst_sel_w           = SQ_SEL_1;
+
+    tex_res.request_size        = 1;
+    tex_res.base_level          = 0;
+    tex_res.last_level          = 0;
+    tex_res.perf_modulation     = 0;
+    tex_res.interlaced          = 0;
+    set_tex_resource            (pScrn, accel_state->ib, &tex_res);
+
+    // UV texture
+    uv_offset = accel_state->src_pitch[0] * pPriv->h;
+    uv_offset = (uv_offset + 255) & ~255;
+
+    cp_set_surface_sync(pScrn, accel_state->ib, TC_ACTION_ENA_bit,
+			accel_state->src_size[0] / 2,
+			accel_state->src_mc_addr[0] + uv_offset);
+
+    tex_res.id                  = 1;
+    tex_res.format              = FMT_8_8;
+    tex_res.w                   = pPriv->w >> 1;
+    tex_res.h                   = pPriv->h >> 1;
+    tex_res.pitch               = accel_state->src_pitch[0] >> 1;
+    tex_res.dst_sel_x           = SQ_SEL_Y; //V
+    tex_res.dst_sel_y           = SQ_SEL_X; //U
+    tex_res.dst_sel_z           = SQ_SEL_1;
+    tex_res.dst_sel_w           = SQ_SEL_1;
+    tex_res.interlaced          = 0;
+    // XXX tex bases need to be 256B aligned
+    tex_res.base                = accel_state->src_mc_addr[0] + uv_offset;
+    tex_res.mip_base            = accel_state->src_mc_addr[0] + uv_offset;
+    set_tex_resource            (pScrn, accel_state->ib, &tex_res);
+
+    // Y sampler
+    tex_samp.id                 = 0;
+    tex_samp.clamp_x            = SQ_TEX_CLAMP_LAST_TEXEL;
+    tex_samp.clamp_y            = SQ_TEX_CLAMP_LAST_TEXEL;
+    tex_samp.clamp_z            = SQ_TEX_WRAP;
+
+    // xxx: switch to bicubic
+    tex_samp.xy_mag_filter      = SQ_TEX_XY_FILTER_BILINEAR;
+    tex_samp.xy_min_filter      = SQ_TEX_XY_FILTER_BILINEAR;
+
+    tex_samp.z_filter           = SQ_TEX_Z_FILTER_NONE;
+    tex_samp.mip_filter         = 0;			/* no mipmap */
+    set_tex_sampler             (pScrn, accel_state->ib, &tex_samp);
+
+    // UV sampler
+    tex_samp.id                 = 1;
+    set_tex_sampler             (pScrn, accel_state->ib, &tex_samp);
+
+    /* Render setup */
+    ereg  (accel_state->ib, CB_SHADER_MASK,                      (0x0f << OUTPUT0_ENABLE_shift));
+    ereg  (accel_state->ib, R7xx_CB_SHADER_CONTROL,              (RT0_ENABLE_bit));
+    ereg  (accel_state->ib, CB_COLOR_CONTROL,                    (0xcc << ROP3_shift)); /* copy */
+
+    cb_conf.id = 0;
+
+    accel_state->dst_mc_addr = exaGetPixmapOffset(pPixmap) + info->fbLocation + pScrn->fbOffset;
+
+    cb_conf.w = accel_state->dst_pitch;
+    cb_conf.h = pPixmap->drawable.height;
+    cb_conf.base = accel_state->dst_mc_addr;
+
+    switch (pPixmap->drawable.bitsPerPixel) {
+    case 16:
+	if (pPixmap->drawable.depth == 15) {
+	    cb_conf.format = COLOR_1_5_5_5;
+	    cb_conf.comp_swap = 1; //ARGB
+	} else {
+	    cb_conf.format = COLOR_5_6_5;
+	    cb_conf.comp_swap = 2; //RGB
+	}
+	break;
+    case 32:
+	cb_conf.format = COLOR_8_8_8_8;
+	cb_conf.comp_swap = 1; //ARGB
+	break;
+    default:
+	return;
+    }
+
+    cb_conf.source_format = 1;
+    cb_conf.blend_clamp = 1;
+    set_render_target(pScrn, accel_state->ib, &cb_conf);
+
+    ereg  (accel_state->ib, PA_SU_SC_MODE_CNTL,                  (FACE_bit			|
+						 (POLYMODE_PTYPE__TRIANGLES << POLYMODE_FRONT_PTYPE_shift)	|
+						 (POLYMODE_PTYPE__TRIANGLES << POLYMODE_BACK_PTYPE_shift)));
+    ereg  (accel_state->ib, DB_SHADER_CONTROL,                   ((1 << Z_ORDER_shift)		| /* EARLY_Z_THEN_LATE_Z */
+						 DUAL_EXPORT_ENABLE_bit)); /* Only useful if no depth export */
+
+    /* Interpolator setup */
+    // export tex coords from VS
+    ereg  (accel_state->ib, SPI_VS_OUT_CONFIG, ((1 - 1) << VS_EXPORT_COUNT_shift));
+    ereg  (accel_state->ib, SPI_VS_OUT_ID_0, (0 << SEMANTIC_0_shift));
+
+    /* Enabling flat shading needs both FLAT_SHADE_bit in SPI_PS_INPUT_CNTL_x
+     * *and* FLAT_SHADE_ENA_bit in SPI_INTERP_CONTROL_0 */
+    ereg  (accel_state->ib, SPI_PS_IN_CONTROL_0,                 ((1 << NUM_INTERP_shift)));
+    ereg  (accel_state->ib, SPI_PS_IN_CONTROL_1,                 0);
+    ereg  (accel_state->ib, SPI_PS_INPUT_CNTL_0 + (0 <<2),       ((0    << SEMANTIC_shift)	|
+									     (0x03 << DEFAULT_VAL_shift)	|
+									     SEL_CENTROID_bit));
+    ereg  (accel_state->ib, SPI_INTERP_CONTROL_0,                0);
+
+
+    accel_state->vb_index = 0;
+
+    while (nBox--) {
+	int srcX, srcY, srcw, srch;
+	int dstX, dstY, dstw, dsth;
+	struct r6xx_copy_vertex *xv_vb = (pointer)((char*)accel_state->ib->address + (accel_state->ib->total / 2));
+	struct r6xx_copy_vertex vertex[3];
+
+	dstX = pBox->x1 + dstxoff;
+	dstY = pBox->y1 + dstyoff;
+	dstw = pBox->x2 - pBox->x1;
+	dsth = pBox->y2 - pBox->y1;
+
+	srcX = ((pBox->x1 - pPriv->drw_x) *
+		pPriv->src_w) / pPriv->dst_w;
+	srcY = ((pBox->y1 - pPriv->drw_y) *
+		pPriv->src_h) / pPriv->dst_h;
+
+	srcw = (pPriv->src_w * dstw) / pPriv->dst_w;
+	srch = (pPriv->src_h * dsth) / pPriv->dst_h;
+
+	vertex[0].x = (float)dstX;
+	vertex[0].y = (float)dstY;
+	vertex[0].s = (float)srcX / pPriv->w;
+	vertex[0].t = (float)srcY / pPriv->h;
+
+	vertex[1].x = (float)dstX;
+	vertex[1].y = (float)(dstY + dsth);
+	vertex[1].s = (float)srcX / pPriv->w;
+	vertex[1].t = (float)(srcY + srch) / pPriv->h;
+
+	vertex[2].x = (float)(dstX + dstw);
+	vertex[2].y = (float)(dstY + dsth);
+	vertex[2].s = (float)(srcX + srcw) / pPriv->w;
+	vertex[2].t = (float)(srcY + srch) / pPriv->h;
+
+#if 0
+	ErrorF("vertex 0: %f, %f, %f, %f\n", vertex[0].x, vertex[0].y, vertex[0].s, vertex[0].t);
+	ErrorF("vertex 1: %f, %f, %f, %f\n", vertex[1].x, vertex[1].y, vertex[1].s, vertex[1].t);
+	ErrorF("vertex 2: %f, %f, %f, %f\n", vertex[2].x, vertex[2].y, vertex[2].s, vertex[2].t);
+#endif
+
+	// append to vertex buffer
+	xv_vb[accel_state->vb_index++] = vertex[0];
+	xv_vb[accel_state->vb_index++] = vertex[1];
+	xv_vb[accel_state->vb_index++] = vertex[2];
+
+	pBox++;
+    }
+
+    if (accel_state->vb_index == 0) {
+	R600IBDiscard(pScrn, accel_state->ib);
+	DamageDamageRegion(pPriv->pDraw, &pPriv->clip);
+	return;
+    }
+
+    accel_state->vb_mc_addr = info->gartLocation + info->dri->bufStart +
+	(accel_state->ib->idx * accel_state->ib->total) + (accel_state->ib->total / 2);
+    accel_state->vb_size = accel_state->vb_index * 16;
+
+    /* flush vertex cache */
+    if ((info->ChipFamily == CHIP_FAMILY_RV610) ||
+	(info->ChipFamily == CHIP_FAMILY_RV620) ||
+	(info->ChipFamily == CHIP_FAMILY_RS780) ||
+	(info->ChipFamily == CHIP_FAMILY_RV710))
+	cp_set_surface_sync(pScrn, accel_state->ib, TC_ACTION_ENA_bit,
+			    accel_state->vb_size, accel_state->vb_mc_addr);
+    else
+	cp_set_surface_sync(pScrn, accel_state->ib, VC_ACTION_ENA_bit,
+			    accel_state->vb_size, accel_state->vb_mc_addr);
+
+    /* Vertex buffer setup */
+    vtx_res.id              = SQ_VTX_RESOURCE_vs;
+    vtx_res.vtx_size_dw     = 16 / 4;
+    vtx_res.vtx_num_entries = accel_state->vb_size / 4;
+    vtx_res.mem_req_size    = 1;
+    vtx_res.vb_addr         = accel_state->vb_mc_addr;
+    set_vtx_resource        (pScrn, accel_state->ib, &vtx_res);
+
+    draw_conf.prim_type          = DI_PT_RECTLIST;
+    draw_conf.vgt_draw_initiator = DI_SRC_SEL_AUTO_INDEX;
+    draw_conf.num_instances      = 1;
+    draw_conf.num_indices        = vtx_res.vtx_num_entries / vtx_res.vtx_size_dw;
+    draw_conf.index_type         = DI_INDEX_SIZE_16_BIT;
+
+    ereg  (accel_state->ib, VGT_INSTANCE_STEP_RATE_0,            0);	/* ? */
+    ereg  (accel_state->ib, VGT_INSTANCE_STEP_RATE_1,            0);
+
+    ereg  (accel_state->ib, VGT_MAX_VTX_INDX,                    draw_conf.num_indices);
+    ereg  (accel_state->ib, VGT_MIN_VTX_INDX,                    0);
+    ereg  (accel_state->ib, VGT_INDX_OFFSET,                     0);
+
+    draw_auto(pScrn, accel_state->ib, &draw_conf);
+
+    wait_3d_idle_clean(pScrn, accel_state->ib);
+
+    /* sync destination surface */
+    cp_set_surface_sync(pScrn, accel_state->ib, (CB_ACTION_ENA_bit, CB0_DEST_BASE_ENA_bit),
+			accel_state->dst_size, accel_state->dst_mc_addr);
+
+    R600CPFlushIndirect(pScrn, accel_state->ib);
+
+    DamageDamageRegion(pPriv->pDraw, &pPriv->clip);
+}