/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS 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 "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_shader_tokens.h"
+#include "util/u_inlines.h"
#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_memory.h"
+#include "util/u_sampler.h"
#include "tgsi/tgsi_transform.h"
#include "tgsi/tgsi_dump.h"
#include "draw_pipe.h"
+/** Approx number of new tokens for instructions in aa_transform_inst() */
+#define NUM_NEW_TOKENS 50
+
+
+/**
+ * Size for the alpha texture used for antialiasing
+ */
+#define TEXTURE_SIZE_LOG2 5 /* 32 x 32 */
+
/**
* Max texture level for the alpha texture used for antialiasing
+ *
+ * Don't use the 1x1 and 2x2 mipmap levels.
*/
-#define MAX_TEXTURE_LEVEL 5 /* 32 x 32 */
+#define MAX_TEXTURE_LEVEL (TEXTURE_SIZE_LOG2 - 2)
/**
uint pos_slot;
void *sampler_cso;
- struct pipe_texture *texture;
+ struct pipe_resource *texture;
+ struct pipe_sampler_view *sampler_view;
uint num_samplers;
- uint num_textures;
+ uint num_sampler_views;
/*
struct aaline_fragment_shader *fs;
struct {
void *sampler[PIPE_MAX_SAMPLERS];
- struct pipe_texture *texture[PIPE_MAX_SAMPLERS];
+ struct pipe_sampler_view *sampler_views[PIPE_MAX_SHADER_SAMPLER_VIEWS];
} state;
/*
void (*driver_bind_fs_state)(struct pipe_context *, void *);
void (*driver_delete_fs_state)(struct pipe_context *, void *);
- void (*driver_bind_sampler_states)(struct pipe_context *, unsigned,
- void **);
- void (*driver_set_sampler_textures)(struct pipe_context *, unsigned,
- struct pipe_texture **);
+ void (*driver_bind_sampler_states)(struct pipe_context *, unsigned, unsigned,
+ unsigned, void **);
- struct pipe_context *pipe;
+ void (*driver_set_sampler_views)(struct pipe_context *, unsigned shader,
+ unsigned start, unsigned count,
+ struct pipe_sampler_view **);
};
static int
free_bit(uint bitfield)
{
- int i;
- for (i = 0; i < 32; i++) {
- if ((bitfield & (1 << i)) == 0)
- return i;
- }
- return -1;
+ return ffs(~bitfield) - 1;
}
decl = tgsi_default_full_declaration();
decl.Declaration.File = TGSI_FILE_INPUT;
/* XXX this could be linear... */
- decl.Declaration.Interpolate = TGSI_INTERPOLATE_PERSPECTIVE;
+ decl.Declaration.Interpolate = 1;
decl.Declaration.Semantic = 1;
decl.Semantic.Name = TGSI_SEMANTIC_GENERIC;
decl.Semantic.Index = aactx->maxGeneric + 1;
decl.Range.First =
decl.Range.Last = aactx->maxInput + 1;
+ decl.Interp.Interpolate = TGSI_INTERPOLATE_PERSPECTIVE;
ctx->emit_declaration(ctx, &decl);
/* declare new sampler */
static boolean
generate_aaline_fs(struct aaline_stage *aaline)
{
+ struct pipe_context *pipe = aaline->stage.draw->pipe;
const struct pipe_shader_state *orig_fs = &aaline->fs->state;
struct pipe_shader_state aaline_fs;
struct aa_transform_context transform;
-
-#define MAX 1000
+ const uint newLen = tgsi_num_tokens(orig_fs->tokens) + NUM_NEW_TOKENS;
aaline_fs = *orig_fs; /* copy to init */
- aaline_fs.tokens = MALLOC(sizeof(struct tgsi_token) * MAX);
+ aaline_fs.tokens = tgsi_alloc_tokens(newLen);
if (aaline_fs.tokens == NULL)
return FALSE;
tgsi_transform_shader(orig_fs->tokens,
(struct tgsi_token *) aaline_fs.tokens,
- MAX, &transform.base);
+ newLen, &transform.base);
#if 0 /* DEBUG */
+ debug_printf("draw_aaline, orig shader:\n");
tgsi_dump(orig_fs->tokens, 0);
+ debug_printf("draw_aaline, new shader:\n");
tgsi_dump(aaline_fs.tokens, 0);
#endif
aaline->fs->sampler_unit = transform.freeSampler;
- aaline->fs->aaline_fs
- = aaline->driver_create_fs_state(aaline->pipe, &aaline_fs);
+ aaline->fs->aaline_fs = aaline->driver_create_fs_state(pipe, &aaline_fs);
if (aaline->fs->aaline_fs == NULL)
goto fail;
static boolean
aaline_create_texture(struct aaline_stage *aaline)
{
- struct pipe_context *pipe = aaline->pipe;
+ struct pipe_context *pipe = aaline->stage.draw->pipe;
struct pipe_screen *screen = pipe->screen;
- struct pipe_texture texTemp;
+ struct pipe_resource texTemp;
+ struct pipe_sampler_view viewTempl;
uint level;
memset(&texTemp, 0, sizeof(texTemp));
texTemp.target = PIPE_TEXTURE_2D;
texTemp.format = PIPE_FORMAT_A8_UNORM; /* XXX verify supported by driver! */
texTemp.last_level = MAX_TEXTURE_LEVEL;
- texTemp.width0 = 1 << MAX_TEXTURE_LEVEL;
- texTemp.height0 = 1 << MAX_TEXTURE_LEVEL;
+ texTemp.width0 = 1 << TEXTURE_SIZE_LOG2;
+ texTemp.height0 = 1 << TEXTURE_SIZE_LOG2;
texTemp.depth0 = 1;
+ texTemp.array_size = 1;
+ texTemp.bind = PIPE_BIND_SAMPLER_VIEW;
- aaline->texture = screen->texture_create(screen, &texTemp);
+ aaline->texture = screen->resource_create(screen, &texTemp);
if (!aaline->texture)
return FALSE;
+ u_sampler_view_default_template(&viewTempl,
+ aaline->texture,
+ aaline->texture->format);
+ aaline->sampler_view = pipe->create_sampler_view(pipe,
+ aaline->texture,
+ &viewTempl);
+ if (!aaline->sampler_view) {
+ return FALSE;
+ }
+
/* Fill in mipmap images.
* Basically each level is solid opaque, except for the outermost
- * texels which are zero. Special case the 1x1 and 2x2 levels.
+ * texels which are zero. Special case the 1x1 and 2x2 levels
+ * (though, those levels shouldn't be used - see the max_lod setting).
*/
for (level = 0; level <= MAX_TEXTURE_LEVEL; level++) {
struct pipe_transfer *transfer;
+ struct pipe_box box;
const uint size = u_minify(aaline->texture->width0, level);
ubyte *data;
uint i, j;
assert(aaline->texture->width0 == aaline->texture->height0);
+ u_box_origin_2d( size, size, &box );
+
/* This texture is new, no need to flush.
*/
- transfer = screen->get_tex_transfer(screen, aaline->texture, 0, level, 0,
- PIPE_TRANSFER_WRITE, 0, 0, size, size);
- data = screen->transfer_map(screen, transfer);
+ data = pipe->transfer_map(pipe,
+ aaline->texture,
+ level,
+ PIPE_TRANSFER_WRITE,
+ &box, &transfer);
+
if (data == NULL)
return FALSE;
d = 200; /* tuneable */
}
else if (i == 0 || j == 0 || i == size - 1 || j == size - 1) {
- d = 0;
+ d = 35; /* edge texel */
}
else {
d = 255;
}
/* unmap */
- screen->transfer_unmap(screen, transfer);
- screen->tex_transfer_destroy(transfer);
+ pipe->transfer_unmap(pipe, transfer);
}
return TRUE;
}
aaline_create_sampler(struct aaline_stage *aaline)
{
struct pipe_sampler_state sampler;
- struct pipe_context *pipe = aaline->pipe;
+ struct pipe_context *pipe = aaline->stage.draw->pipe;
memset(&sampler, 0, sizeof(sampler));
sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
bind_aaline_fragment_shader(struct aaline_stage *aaline)
{
struct draw_context *draw = aaline->stage.draw;
+ struct pipe_context *pipe = draw->pipe;
if (!aaline->fs->aaline_fs &&
!generate_aaline_fs(aaline))
return FALSE;
draw->suspend_flushing = TRUE;
- aaline->driver_bind_fs_state(aaline->pipe, aaline->fs->aaline_fs);
+ aaline->driver_bind_fs_state(pipe, aaline->fs->aaline_fs);
draw->suspend_flushing = FALSE;
return TRUE;
{
auto struct aaline_stage *aaline = aaline_stage(stage);
struct draw_context *draw = stage->draw;
- struct pipe_context *pipe = aaline->pipe;
+ struct pipe_context *pipe = draw->pipe;
+ const struct pipe_rasterizer_state *rast = draw->rasterizer;
uint num_samplers;
+ void *r;
assert(draw->rasterizer->line_smooth);
- if (draw->rasterizer->line_width <= 3.0)
- aaline->half_line_width = 1.5f;
+ if (draw->rasterizer->line_width <= 2.2)
+ aaline->half_line_width = 1.1f;
else
aaline->half_line_width = 0.5f * draw->rasterizer->line_width;
return;
}
- /* update vertex attrib info */
- aaline->tex_slot = draw_current_shader_outputs(draw);
- aaline->pos_slot = draw_current_shader_position_output(draw);;
-
- /* advertise the extra post-transformed vertex attribute */
- draw->extra_shader_outputs.semantic_name = TGSI_SEMANTIC_GENERIC;
- draw->extra_shader_outputs.semantic_index = aaline->fs->generic_attrib;
- draw->extra_shader_outputs.slot = aaline->tex_slot;
+ draw_aaline_prepare_outputs(draw, draw->pipeline.aaline);
/* how many samplers? */
/* we'll use sampler/texture[pstip->sampler_unit] for the stipple */
- num_samplers = MAX2(aaline->num_textures, aaline->num_samplers);
+ num_samplers = MAX2(aaline->num_sampler_views, aaline->num_samplers);
num_samplers = MAX2(num_samplers, aaline->fs->sampler_unit + 1);
aaline->state.sampler[aaline->fs->sampler_unit] = aaline->sampler_cso;
- pipe_texture_reference(&aaline->state.texture[aaline->fs->sampler_unit],
- aaline->texture);
+ pipe_sampler_view_reference(&aaline->state.sampler_views[aaline->fs->sampler_unit],
+ aaline->sampler_view);
draw->suspend_flushing = TRUE;
- aaline->driver_bind_sampler_states(pipe, num_samplers, aaline->state.sampler);
- aaline->driver_set_sampler_textures(pipe, num_samplers, aaline->state.texture);
+
+ aaline->driver_bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0,
+ num_samplers, aaline->state.sampler);
+
+ aaline->driver_set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0,
+ num_samplers, aaline->state.sampler_views);
+
+ /* Disable triangle culling, stippling, unfilled mode etc. */
+ r = draw_get_rasterizer_no_cull(draw, rast->scissor, rast->flatshade);
+ pipe->bind_rasterizer_state(pipe, r);
+
draw->suspend_flushing = FALSE;
/* now really draw first line */
{
struct draw_context *draw = stage->draw;
struct aaline_stage *aaline = aaline_stage(stage);
- struct pipe_context *pipe = aaline->pipe;
+ struct pipe_context *pipe = draw->pipe;
stage->line = aaline_first_line;
stage->next->flush( stage->next, flags );
/* restore original frag shader, texture, sampler state */
draw->suspend_flushing = TRUE;
- aaline->driver_bind_fs_state(pipe, aaline->fs->driver_fs);
- aaline->driver_bind_sampler_states(pipe, aaline->num_samplers,
+ aaline->driver_bind_fs_state(pipe, aaline->fs ? aaline->fs->driver_fs : NULL);
+
+ aaline->driver_bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0,
+ aaline->num_samplers,
aaline->state.sampler);
- aaline->driver_set_sampler_textures(pipe, aaline->num_textures,
- aaline->state.texture);
+
+ aaline->driver_set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0,
+ aaline->num_samplers,
+ aaline->state.sampler_views);
+
+ /* restore original rasterizer state */
+ if (draw->rast_handle) {
+ pipe->bind_rasterizer_state(pipe, draw->rast_handle);
+ }
+
draw->suspend_flushing = FALSE;
- draw->extra_shader_outputs.slot = 0;
+ draw_remove_extra_vertex_attribs(draw);
}
aaline_destroy(struct draw_stage *stage)
{
struct aaline_stage *aaline = aaline_stage(stage);
+ struct pipe_context *pipe = stage->draw->pipe;
uint i;
- for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
- pipe_texture_reference(&aaline->state.texture[i], NULL);
+ for (i = 0; i < PIPE_MAX_SHADER_SAMPLER_VIEWS; i++) {
+ pipe_sampler_view_reference(&aaline->state.sampler_views[i], NULL);
}
if (aaline->sampler_cso)
- aaline->pipe->delete_sampler_state(aaline->pipe, aaline->sampler_cso);
+ pipe->delete_sampler_state(pipe, aaline->sampler_cso);
if (aaline->texture)
- pipe_texture_reference(&aaline->texture, NULL);
+ pipe_resource_reference(&aaline->texture, NULL);
+
+ if (aaline->sampler_view) {
+ pipe_sampler_view_reference(&aaline->sampler_view, NULL);
+ }
draw_free_temp_verts( stage );
+ /* restore the old entry points */
+ pipe->create_fs_state = aaline->driver_create_fs_state;
+ pipe->bind_fs_state = aaline->driver_bind_fs_state;
+ pipe->delete_fs_state = aaline->driver_delete_fs_state;
+
+ pipe->bind_sampler_states = aaline->driver_bind_sampler_states;
+ pipe->set_sampler_views = aaline->driver_set_sampler_views;
+
FREE( stage );
}
if (aaline == NULL)
return NULL;
- if (!draw_alloc_temp_verts( &aaline->stage, 8 ))
- goto fail;
-
aaline->stage.draw = draw;
aaline->stage.name = "aaline";
aaline->stage.next = NULL;
aaline->stage.reset_stipple_counter = aaline_reset_stipple_counter;
aaline->stage.destroy = aaline_destroy;
+ if (!draw_alloc_temp_verts( &aaline->stage, 8 ))
+ goto fail;
+
return aaline;
fail:
if (aaline)
- aaline_destroy(&aaline->stage);
+ aaline->stage.destroy(&aaline->stage);
return NULL;
}
aaline_stage_from_pipe(struct pipe_context *pipe)
{
struct draw_context *draw = (struct draw_context *) pipe->draw;
- return aaline_stage(draw->pipeline.aaline);
+
+ if (draw) {
+ return aaline_stage(draw->pipeline.aaline);
+ } else {
+ return NULL;
+ }
}
const struct pipe_shader_state *fs)
{
struct aaline_stage *aaline = aaline_stage_from_pipe(pipe);
- struct aaline_fragment_shader *aafs = CALLOC_STRUCT(aaline_fragment_shader);
+ struct aaline_fragment_shader *aafs = NULL;
+
+ if (aaline == NULL)
+ return NULL;
+
+ aafs = CALLOC_STRUCT(aaline_fragment_shader);
+
if (aafs == NULL)
return NULL;
- aafs->state = *fs;
+ aafs->state.tokens = tgsi_dup_tokens(fs->tokens);
/* pass-through */
- aafs->driver_fs = aaline->driver_create_fs_state(aaline->pipe, fs);
+ aafs->driver_fs = aaline->driver_create_fs_state(pipe, fs);
return aafs;
}
struct aaline_stage *aaline = aaline_stage_from_pipe(pipe);
struct aaline_fragment_shader *aafs = (struct aaline_fragment_shader *) fs;
+ if (aaline == NULL) {
+ return;
+ }
+
/* save current */
aaline->fs = aafs;
/* pass-through */
- aaline->driver_bind_fs_state(aaline->pipe,
- (aafs ? aafs->driver_fs : NULL));
+ aaline->driver_bind_fs_state(pipe, (aafs ? aafs->driver_fs : NULL));
}
{
struct aaline_stage *aaline = aaline_stage_from_pipe(pipe);
struct aaline_fragment_shader *aafs = (struct aaline_fragment_shader *) fs;
- /* pass-through */
- aaline->driver_delete_fs_state(aaline->pipe, aafs->driver_fs);
- if (aafs->aaline_fs)
- aaline->driver_delete_fs_state(aaline->pipe, aafs->aaline_fs);
+ if (aafs == NULL) {
+ return;
+ }
+ if (aaline != NULL) {
+ /* pass-through */
+ aaline->driver_delete_fs_state(pipe, aafs->driver_fs);
+
+ if (aafs->aaline_fs)
+ aaline->driver_delete_fs_state(pipe, aafs->aaline_fs);
+ }
+
+ FREE((void*)aafs->state.tokens);
FREE(aafs);
}
static void
-aaline_bind_sampler_states(struct pipe_context *pipe,
- unsigned num, void **sampler)
+aaline_bind_sampler_states(struct pipe_context *pipe, unsigned shader,
+ unsigned start, unsigned num, void **sampler)
{
struct aaline_stage *aaline = aaline_stage_from_pipe(pipe);
- /* save current */
- memcpy(aaline->state.sampler, sampler, num * sizeof(void *));
- aaline->num_samplers = num;
+ assert(start == 0);
+
+ if (aaline == NULL) {
+ return;
+ }
+
+ if (shader == PIPE_SHADER_FRAGMENT) {
+ /* save current */
+ memcpy(aaline->state.sampler, sampler, num * sizeof(void *));
+ aaline->num_samplers = num;
+ }
/* pass-through */
- aaline->driver_bind_sampler_states(aaline->pipe, num, sampler);
+ aaline->driver_bind_sampler_states(pipe, shader, start, num, sampler);
}
static void
-aaline_set_sampler_textures(struct pipe_context *pipe,
- unsigned num, struct pipe_texture **texture)
+aaline_set_sampler_views(struct pipe_context *pipe, unsigned shader,
+ unsigned start, unsigned num,
+ struct pipe_sampler_view **views)
{
struct aaline_stage *aaline = aaline_stage_from_pipe(pipe);
uint i;
- /* save current */
- for (i = 0; i < num; i++) {
- pipe_texture_reference(&aaline->state.texture[i], texture[i]);
+ if (aaline == NULL) {
+ return;
}
- for ( ; i < PIPE_MAX_SAMPLERS; i++) {
- pipe_texture_reference(&aaline->state.texture[i], NULL);
+
+ if (shader == PIPE_SHADER_FRAGMENT) {
+ /* save current */
+ for (i = 0; i < num; i++) {
+ pipe_sampler_view_reference(&aaline->state.sampler_views[start + i],
+ views[i]);
+ }
+ aaline->num_sampler_views = num;
}
- aaline->num_textures = num;
/* pass-through */
- aaline->driver_set_sampler_textures(aaline->pipe, num, texture);
+ aaline->driver_set_sampler_views(pipe, shader, start, num, views);
}
+void
+draw_aaline_prepare_outputs(struct draw_context *draw,
+ struct draw_stage *stage)
+{
+ struct aaline_stage *aaline = aaline_stage(stage);
+ const struct pipe_rasterizer_state *rast = draw->rasterizer;
+
+ /* update vertex attrib info */
+ aaline->pos_slot = draw_current_shader_position_output(draw);;
+
+ if (!rast->line_smooth)
+ return;
+
+ /* allocate the extra post-transformed vertex attribute */
+ aaline->tex_slot = draw_alloc_extra_vertex_attrib(draw,
+ TGSI_SEMANTIC_GENERIC,
+ aaline->fs->generic_attrib);
+}
+
/**
* Called by drivers that want to install this AA line prim stage
* into the draw module's pipeline. This will not be used if the
if (!aaline)
goto fail;
- aaline->pipe = pipe;
-
/* create special texture, sampler state */
if (!aaline_create_texture(aaline))
goto fail;
aaline->driver_bind_fs_state = pipe->bind_fs_state;
aaline->driver_delete_fs_state = pipe->delete_fs_state;
- aaline->driver_bind_sampler_states = pipe->bind_fragment_sampler_states;
- aaline->driver_set_sampler_textures = pipe->set_fragment_sampler_textures;
+ aaline->driver_bind_sampler_states = pipe->bind_sampler_states;
+ aaline->driver_set_sampler_views = pipe->set_sampler_views;
/* override the driver's functions */
pipe->create_fs_state = aaline_create_fs_state;
pipe->bind_fs_state = aaline_bind_fs_state;
pipe->delete_fs_state = aaline_delete_fs_state;
- pipe->bind_fragment_sampler_states = aaline_bind_sampler_states;
- pipe->set_fragment_sampler_textures = aaline_set_sampler_textures;
+ pipe->bind_sampler_states = aaline_bind_sampler_states;
+ pipe->set_sampler_views = aaline_set_sampler_views;
/* Install once everything is known to be OK:
*/