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Diffstat (limited to 'src/gallium/drivers/svga/svga_state_tss.c')
-rw-r--r--src/gallium/drivers/svga/svga_state_tss.c279
1 files changed, 279 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_state_tss.c b/src/gallium/drivers/svga/svga_state_tss.c
new file mode 100644
index 0000000000..b313794520
--- /dev/null
+++ b/src/gallium/drivers/svga/svga_state_tss.c
@@ -0,0 +1,279 @@
+/**********************************************************
+ * Copyright 2008-2009 VMware, Inc. 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, 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 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.
+ *
+ **********************************************************/
+
+#include "pipe/p_inlines.h"
+#include "pipe/p_defines.h"
+#include "util/u_math.h"
+
+#include "svga_screen_texture.h"
+#include "svga_winsys.h"
+#include "svga_context.h"
+#include "svga_state.h"
+#include "svga_cmd.h"
+
+#include "svga_hw_reg.h"
+
+
+void svga_cleanup_tss_binding(struct svga_context *svga)
+{
+ int i;
+ unsigned count = MAX2( svga->curr.num_textures,
+ svga->state.hw_draw.num_views );
+
+ for (i = 0; i < count; i++) {
+ struct svga_hw_view_state *view = &svga->state.hw_draw.views[i];
+
+ svga_sampler_view_reference(&view->v, NULL);
+ pipe_texture_reference( &svga->curr.texture[i], NULL );
+ pipe_texture_reference( &view->texture, NULL );
+
+ view->dirty = 1;
+ }
+}
+
+
+static int
+update_tss_binding(struct svga_context *svga,
+ unsigned dirty )
+{
+ unsigned i;
+ unsigned count = MAX2( svga->curr.num_textures,
+ svga->state.hw_draw.num_views );
+ unsigned min_lod;
+ unsigned max_lod;
+
+
+ struct {
+ struct {
+ unsigned unit;
+ struct svga_hw_view_state *view;
+ } bind[PIPE_MAX_SAMPLERS];
+
+ unsigned bind_count;
+ } queue;
+
+ queue.bind_count = 0;
+
+ for (i = 0; i < count; i++) {
+ const struct svga_sampler_state *s = svga->curr.sampler[i];
+ struct svga_hw_view_state *view = &svga->state.hw_draw.views[i];
+
+ /* get min max lod */
+ if (svga->curr.texture[i]) {
+ min_lod = MAX2(s->view_min_lod, 0);
+ max_lod = MIN2(s->view_max_lod, svga->curr.texture[i]->last_level);
+ } else {
+ min_lod = 0;
+ max_lod = 0;
+ }
+
+ if (view->texture != svga->curr.texture[i] ||
+ view->min_lod != min_lod ||
+ view->max_lod != max_lod) {
+
+ svga_sampler_view_reference(&view->v, NULL);
+ pipe_texture_reference( &view->texture, svga->curr.texture[i] );
+
+ view->dirty = TRUE;
+ view->min_lod = min_lod;
+ view->max_lod = max_lod;
+
+ if (svga->curr.texture[i])
+ view->v = svga_get_tex_sampler_view(&svga->pipe,
+ svga->curr.texture[i],
+ min_lod,
+ max_lod);
+ }
+
+ if (view->dirty) {
+ queue.bind[queue.bind_count].unit = i;
+ queue.bind[queue.bind_count].view = view;
+ queue.bind_count++;
+ }
+ else if (view->v) {
+ svga_validate_sampler_view(svga, view->v);
+ }
+ }
+
+ svga->state.hw_draw.num_views = svga->curr.num_textures;
+
+ if (queue.bind_count) {
+ SVGA3dTextureState *ts;
+
+ if (SVGA3D_BeginSetTextureState( svga->swc,
+ &ts,
+ queue.bind_count ) != PIPE_OK)
+ goto fail;
+
+ for (i = 0; i < queue.bind_count; i++) {
+ ts[i].stage = queue.bind[i].unit;
+ ts[i].name = SVGA3D_TS_BIND_TEXTURE;
+
+ if (queue.bind[i].view->v) {
+ svga->swc->surface_relocation(svga->swc,
+ &ts[i].value,
+ queue.bind[i].view->v->handle,
+ PIPE_BUFFER_USAGE_GPU_READ);
+ }
+ else {
+ ts[i].value = SVGA3D_INVALID_ID;
+ }
+
+ queue.bind[i].view->dirty = FALSE;
+ }
+
+ SVGA_FIFOCommitAll( svga->swc );
+ }
+
+ return 0;
+
+fail:
+ return PIPE_ERROR_OUT_OF_MEMORY;
+}
+
+
+struct svga_tracked_state svga_hw_tss_binding = {
+ "texture binding emit",
+ SVGA_NEW_TEXTURE_BINDING |
+ SVGA_NEW_SAMPLER,
+ update_tss_binding
+};
+
+
+/***********************************************************************
+ */
+
+struct ts_queue {
+ unsigned ts_count;
+ SVGA3dTextureState ts[PIPE_MAX_SAMPLERS*SVGA3D_TS_MAX];
+};
+
+
+#define EMIT_TS(svga, unit, val, token, fail) \
+do { \
+ if (svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] != val) { \
+ svga_queue_tss( &queue, unit, SVGA3D_TS_##token, val ); \
+ svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] = val; \
+ } \
+} while (0)
+
+#define EMIT_TS_FLOAT(svga, unit, fvalue, token, fail) \
+do { \
+ unsigned val = fui(fvalue); \
+ if (svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] != val) { \
+ svga_queue_tss( &queue, unit, SVGA3D_TS_##token, val ); \
+ svga->state.hw_draw.ts[unit][SVGA3D_TS_##token] = val; \
+ } \
+} while (0)
+
+
+static INLINE void
+svga_queue_tss( struct ts_queue *q,
+ unsigned unit,
+ unsigned tss,
+ unsigned value )
+{
+ assert(q->ts_count < sizeof(q->ts)/sizeof(q->ts[0]));
+ q->ts[q->ts_count].stage = unit;
+ q->ts[q->ts_count].name = tss;
+ q->ts[q->ts_count].value = value;
+ q->ts_count++;
+}
+
+
+static int
+update_tss(struct svga_context *svga,
+ unsigned dirty )
+{
+ unsigned i;
+ struct ts_queue queue;
+
+ queue.ts_count = 0;
+ for (i = 0; i < svga->curr.num_samplers; i++) {
+ if (svga->curr.sampler[i]) {
+ const struct svga_sampler_state *curr = svga->curr.sampler[i];
+
+ EMIT_TS(svga, i, curr->mipfilter, MIPFILTER, fail);
+ EMIT_TS(svga, i, curr->min_lod, TEXTURE_MIPMAP_LEVEL, fail);
+ EMIT_TS(svga, i, curr->magfilter, MAGFILTER, fail);
+ EMIT_TS(svga, i, curr->minfilter, MINFILTER, fail);
+ EMIT_TS(svga, i, curr->aniso_level, TEXTURE_ANISOTROPIC_LEVEL, fail);
+ EMIT_TS_FLOAT(svga, i, curr->lod_bias, TEXTURE_LOD_BIAS, fail);
+ EMIT_TS(svga, i, curr->addressu, ADDRESSU, fail);
+ EMIT_TS(svga, i, curr->addressw, ADDRESSW, fail);
+ EMIT_TS(svga, i, curr->bordercolor, BORDERCOLOR, fail);
+ // TEXCOORDINDEX -- hopefully not needed
+
+ if (svga->curr.tex_flags.flag_1d & (1 << i)) {
+ debug_printf("wrap 1d tex %d\n", i);
+ EMIT_TS(svga, i, SVGA3D_TEX_ADDRESS_WRAP, ADDRESSV, fail);
+ }
+ else
+ EMIT_TS(svga, i, curr->addressv, ADDRESSV, fail);
+
+ if (svga->curr.tex_flags.flag_srgb & (1 << i))
+ EMIT_TS_FLOAT(svga, i, 2.2f, GAMMA, fail);
+ else
+ EMIT_TS_FLOAT(svga, i, 1.0f, GAMMA, fail);
+
+ }
+ }
+
+ if (queue.ts_count) {
+ SVGA3dTextureState *ts;
+
+ if (SVGA3D_BeginSetTextureState( svga->swc,
+ &ts,
+ queue.ts_count ) != PIPE_OK)
+ goto fail;
+
+ memcpy( ts,
+ queue.ts,
+ queue.ts_count * sizeof queue.ts[0]);
+
+ SVGA_FIFOCommitAll( svga->swc );
+ }
+
+ return 0;
+
+fail:
+ /* XXX: need to poison cached hardware state on failure to ensure
+ * dirty state gets re-emitted. Fix this by re-instating partial
+ * FIFOCommit command and only updating cached hw state once the
+ * initial allocation has succeeded.
+ */
+ memset(svga->state.hw_draw.ts, 0xcd, sizeof(svga->state.hw_draw.ts));
+
+ return PIPE_ERROR_OUT_OF_MEMORY;
+}
+
+
+struct svga_tracked_state svga_hw_tss = {
+ "texture state emit",
+ (SVGA_NEW_SAMPLER |
+ SVGA_NEW_TEXTURE_FLAGS),
+ update_tss
+};
+