/**************************************************************************
*
- * Copyright 2007 VMware, Inc.
+ * Copyright 2007-2018 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
**************************************************************************/
/**
- * AA line stage: AA lines are converted to texture mapped triangles.
+ * AA line stage: AA lines are converted triangles (with extra generic)
*
* Authors: Brian Paul
*/
#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"
#define NUM_NEW_TOKENS 53
-/**
- * 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 (TEXTURE_SIZE_LOG2 - 2)
-
-
/**
* Subclass of pipe_shader_state to carry extra fragment shader info.
*/
struct pipe_shader_state state;
void *driver_fs;
void *aaline_fs;
- uint sampler_unit;
- int generic_attrib; /**< texcoord/generic used for texture */
+ int generic_attrib; /**< generic used for distance */
};
float half_line_width;
- /** For AA lines, this is the vertex attrib slot for the new texcoords */
- uint tex_slot;
+ /** For AA lines, this is the vertex attrib slot for new generic */
+ uint coord_slot;
/** position, not necessarily output zero */
uint pos_slot;
- void *sampler_cso;
- struct pipe_resource *texture;
- struct pipe_sampler_view *sampler_view;
- uint num_samplers;
- uint num_sampler_views;
-
/*
* Currently bound state
*/
struct aaline_fragment_shader *fs;
- struct {
- void *sampler[PIPE_MAX_SAMPLERS];
- struct pipe_sampler_view *sampler_views[PIPE_MAX_SHADER_SAMPLER_VIEWS];
- } state;
/*
* Driver interface/override functions
const struct pipe_shader_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 *,
- enum pipe_shader_type, unsigned,
- unsigned, void **);
-
- void (*driver_set_sampler_views)(struct pipe_context *,
- enum pipe_shader_type shader,
- unsigned start, unsigned count,
- struct pipe_sampler_view **);
};
*/
struct aa_transform_context {
struct tgsi_transform_context base;
- uint tempsUsed; /**< bitmask */
+ uint64_t tempsUsed; /**< bitmask */
int colorOutput; /**< which output is the primary color */
- uint samplersUsed; /**< bitfield of samplers used */
- bool hasSview;
- int freeSampler; /** an available sampler for the pstipple */
int maxInput, maxGeneric; /**< max input index found */
- int colorTemp, texTemp; /**< temp registers */
+ int colorTemp, aaTemp; /**< temp registers */
};
-
/**
* TGSI declaration transform callback.
- * Look for a free sampler, a free input attrib, and two free temp regs.
+ * Look for a free input attrib, and two free temp regs.
*/
static void
aa_transform_decl(struct tgsi_transform_context *ctx,
struct tgsi_full_declaration *decl)
{
- struct aa_transform_context *aactx = (struct aa_transform_context *) ctx;
+ struct aa_transform_context *aactx = (struct aa_transform_context *)ctx;
if (decl->Declaration.File == TGSI_FILE_OUTPUT &&
decl->Semantic.Name == TGSI_SEMANTIC_COLOR &&
decl->Semantic.Index == 0) {
aactx->colorOutput = decl->Range.First;
}
- else if (decl->Declaration.File == TGSI_FILE_SAMPLER) {
- uint i;
- for (i = decl->Range.First;
- i <= decl->Range.Last; i++) {
- aactx->samplersUsed |= 1u << i;
- }
- }
- else if (decl->Declaration.File == TGSI_FILE_SAMPLER_VIEW) {
- aactx->hasSview = true;
- }
else if (decl->Declaration.File == TGSI_FILE_INPUT) {
if ((int) decl->Range.Last > aactx->maxInput)
aactx->maxInput = decl->Range.Last;
uint i;
for (i = decl->Range.First;
i <= decl->Range.Last; i++) {
- aactx->tempsUsed |= (1 << i);
+ /*
+ * XXX this bitfield doesn't really cut it...
+ */
+ aactx->tempsUsed |= UINT64_C(1) << i;
}
}
/**
- * Find the lowest zero bit in the given word, or -1 if bitfield is all ones.
+ * Find the lowest zero bit, or -1 if bitfield is all ones.
*/
static int
-free_bit(uint bitfield)
+free_bit(uint64_t bitfield)
{
- return ffs(~bitfield) - 1;
+ return ffsll(~bitfield) - 1;
}
aa_transform_prolog(struct tgsi_transform_context *ctx)
{
struct aa_transform_context *aactx = (struct aa_transform_context *) ctx;
- uint i;
-
- STATIC_ASSERT(sizeof(aactx->samplersUsed) * 8 >= PIPE_MAX_SAMPLERS);
-
- /* find free sampler */
- aactx->freeSampler = free_bit(aactx->samplersUsed);
- if (aactx->freeSampler < 0 || aactx->freeSampler >= PIPE_MAX_SAMPLERS)
- aactx->freeSampler = PIPE_MAX_SAMPLERS - 1;
+ uint64_t usedTemps = aactx->tempsUsed;
/* find two free temp regs */
- for (i = 0; i < 32; i++) {
- if ((aactx->tempsUsed & (1 << i)) == 0) {
- /* found a free temp */
- if (aactx->colorTemp < 0)
- aactx->colorTemp = i;
- else if (aactx->texTemp < 0)
- aactx->texTemp = i;
- else
- break;
- }
- }
+ aactx->colorTemp = free_bit(usedTemps);
+ usedTemps |= UINT64_C(1) << aactx->colorTemp;
+ aactx->aaTemp = free_bit(usedTemps);
assert(aactx->colorTemp >= 0);
- assert(aactx->texTemp >= 0);
+ assert(aactx->aaTemp >= 0);
/* declare new generic input/texcoord */
tgsi_transform_input_decl(ctx, aactx->maxInput + 1,
TGSI_SEMANTIC_GENERIC, aactx->maxGeneric + 1,
TGSI_INTERPOLATE_LINEAR);
- /* declare new sampler */
- tgsi_transform_sampler_decl(ctx, aactx->freeSampler);
-
- /* if the src shader has SVIEW decl's for each SAMP decl, we
- * need to continue the trend and ensure there is a matching
- * SVIEW for the new SAMP we just created
- */
- if (aactx->hasSview) {
- tgsi_transform_sampler_view_decl(ctx,
- aactx->freeSampler,
- TGSI_TEXTURE_2D,
- TGSI_RETURN_TYPE_FLOAT);
- }
-
/* declare new temp regs */
- tgsi_transform_temp_decl(ctx, aactx->texTemp);
+ tgsi_transform_temp_decl(ctx, aactx->aaTemp);
tgsi_transform_temp_decl(ctx, aactx->colorTemp);
}
struct aa_transform_context *aactx = (struct aa_transform_context *) ctx;
if (aactx->colorOutput != -1) {
- /* insert texture sampling code for antialiasing. */
-
- /* TEX texTemp, input_coord, sampler, 2D */
- tgsi_transform_tex_inst(ctx,
- TGSI_FILE_TEMPORARY, aactx->texTemp,
- TGSI_FILE_INPUT, aactx->maxInput + 1,
- TGSI_TEXTURE_2D, aactx->freeSampler);
+ struct tgsi_full_instruction inst;
+ /* insert distance-based coverage code for antialiasing. */
+
+ /* saturate(linewidth - fabs(interpx), linelength - fabs(interpz) */
+ inst = tgsi_default_full_instruction();
+ inst.Instruction.Saturate = true;
+ inst.Instruction.Opcode = TGSI_OPCODE_ADD;
+ inst.Instruction.NumDstRegs = 1;
+ tgsi_transform_dst_reg(&inst.Dst[0], TGSI_FILE_TEMPORARY,
+ aactx->aaTemp, TGSI_WRITEMASK_XZ);
+ inst.Instruction.NumSrcRegs = 2;
+ tgsi_transform_src_reg(&inst.Src[1], TGSI_FILE_INPUT, aactx->maxInput + 1,
+ TGSI_SWIZZLE_X, TGSI_SWIZZLE_X,
+ TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z);
+ tgsi_transform_src_reg(&inst.Src[0], TGSI_FILE_INPUT, aactx->maxInput + 1,
+ TGSI_SWIZZLE_Y, TGSI_SWIZZLE_Y,
+ TGSI_SWIZZLE_W, TGSI_SWIZZLE_W);
+ inst.Src[1].Register.Absolute = true;
+ inst.Src[1].Register.Negate = true;
+ ctx->emit_instruction(ctx, &inst);
+
+ /* MUL width / height alpha */
+ tgsi_transform_op2_swz_inst(ctx, TGSI_OPCODE_MUL,
+ TGSI_FILE_TEMPORARY, aactx->aaTemp,
+ TGSI_WRITEMASK_W,
+ TGSI_FILE_TEMPORARY, aactx->aaTemp,
+ TGSI_SWIZZLE_X,
+ TGSI_FILE_TEMPORARY, aactx->aaTemp,
+ TGSI_SWIZZLE_Z, false);
/* MOV rgb */
tgsi_transform_op1_inst(ctx, TGSI_OPCODE_MOV,
TGSI_FILE_OUTPUT, aactx->colorOutput,
TGSI_WRITEMASK_W,
TGSI_FILE_TEMPORARY, aactx->colorTemp,
- TGSI_FILE_TEMPORARY, aactx->texTemp, false);
+ TGSI_FILE_TEMPORARY, aactx->aaTemp, false);
}
}
/**
* Generate the frag shader we'll use for drawing AA lines.
- * This will be the user's shader plus some texture/modulate instructions.
+ * This will be the user's shader plus some arithmetic instructions.
*/
static boolean
generate_aaline_fs(struct aaline_stage *aaline)
transform.maxInput = -1;
transform.maxGeneric = -1;
transform.colorTemp = -1;
- transform.texTemp = -1;
+ transform.aaTemp = -1;
transform.base.prolog = aa_transform_prolog;
transform.base.epilog = aa_transform_epilog;
transform.base.transform_instruction = aa_transform_inst;
tgsi_dump(aaline_fs.tokens, 0);
#endif
- aaline->fs->sampler_unit = transform.freeSampler;
-
aaline->fs->aaline_fs = aaline->driver_create_fs_state(pipe, &aaline_fs);
if (aaline->fs->aaline_fs == NULL)
goto fail;
}
-/**
- * Create the texture map we'll use for antialiasing the lines.
- */
-static boolean
-aaline_create_texture(struct aaline_stage *aaline)
-{
- struct pipe_context *pipe = aaline->stage.draw->pipe;
- struct pipe_screen *screen = pipe->screen;
- 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 << 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->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
- * (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.
- */
- data = pipe->transfer_map(pipe,
- aaline->texture,
- level,
- PIPE_TRANSFER_WRITE,
- &box, &transfer);
-
- if (!data)
- return FALSE;
-
- for (i = 0; i < size; i++) {
- for (j = 0; j < size; j++) {
- ubyte d;
- if (size == 1) {
- d = 255;
- }
- else if (size == 2) {
- d = 200; /* tuneable */
- }
- else if (i == 0 || j == 0 || i == size - 1 || j == size - 1) {
- d = 35; /* edge texel */
- }
- else {
- d = 255;
- }
- data[i * transfer->stride + j] = d;
- }
- }
-
- /* unmap */
- pipe->transfer_unmap(pipe, transfer);
- }
- return TRUE;
-}
-
-
-/**
- * Create the sampler CSO that'll be used for antialiasing.
- * By using a mipmapped texture, we don't have to generate a different
- * texture image for each line size.
- */
-static boolean
-aaline_create_sampler(struct aaline_stage *aaline)
-{
- struct pipe_sampler_state sampler;
- struct pipe_context *pipe = aaline->stage.draw->pipe;
-
- memset(&sampler, 0, sizeof(sampler));
- sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
- sampler.min_mip_filter = PIPE_TEX_MIPFILTER_LINEAR;
- sampler.min_img_filter = PIPE_TEX_FILTER_LINEAR;
- sampler.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
- sampler.normalized_coords = 1;
- sampler.min_lod = 0.0f;
- sampler.max_lod = MAX_TEXTURE_LEVEL;
-
- aaline->sampler_cso = pipe->create_sampler_state(pipe, &sampler);
- if (aaline->sampler_cso == NULL)
- return FALSE;
-
- return TRUE;
-}
-
-
/**
* When we're about to draw our first AA line in a batch, this function is
* called to tell the driver to bind our modified fragment shader.
const float half_width = aaline->half_line_width;
struct prim_header tri;
struct vertex_header *v[8];
- uint texPos = aaline->tex_slot;
+ uint coordPos = aaline->coord_slot;
uint posPos = aaline->pos_slot;
float *pos, *tex;
float dx = header->v[1]->data[posPos][0] - header->v[0]->data[posPos][0];
float dy = header->v[1]->data[posPos][1] - header->v[0]->data[posPos][1];
- double a = atan2(dy, dx);
- float c_a = (float) cos(a), s_a = (float) sin(a);
+ float a = atan2f(dy, dx);
+ float c_a = cosf(a), s_a = sinf(a);
+ float half_length;
+ float t_l, t_w;
uint i;
- /* XXX the ends of lines aren't quite perfect yet, but probably passable */
- dx = 0.5F * half_width;
- dy = half_width;
+ half_length = 0.5f * sqrtf(dx * dx + dy * dy) + 0.5f;
+
+ t_w = half_width;
+ t_l = 0.5f;
/* allocate/dup new verts */
- for (i = 0; i < 8; i++) {
- v[i] = dup_vert(stage, header->v[i/4], i);
+ for (i = 0; i < 4; i++) {
+ v[i] = dup_vert(stage, header->v[i/2], i);
}
/*
* Quad strip for line from v0 to v1 (*=endpoints):
*
- * 1 3 5 7
- * +---+---------------------+---+
+ * 1 3
+ * +-----------------------------+
* | |
* | *v0 v1* |
* | |
- * +---+---------------------+---+
- * 0 2 4 6
+ * +-----------------------------+
+ * 0 2
+ */
+
+ /*
+ * We increase line length by 0.5 pixels (at each endpoint),
+ * and calculate the tri endpoints by moving them half-width
+ * distance away perpendicular to the line.
+ * XXX: since we change line endpoints (by 0.5 pixel), should
+ * actually re-interpolate all other values?
*/
/* new verts */
pos = v[0]->data[posPos];
- pos[0] += (-dx * c_a - dy * s_a);
- pos[1] += (-dx * s_a + dy * c_a);
+ pos[0] += (-t_l * c_a - t_w * s_a);
+ pos[1] += (-t_l * s_a + t_w * c_a);
pos = v[1]->data[posPos];
- pos[0] += (-dx * c_a - -dy * s_a);
- pos[1] += (-dx * s_a + -dy * c_a);
+ pos[0] += (-t_l * c_a - -t_w * s_a);
+ pos[1] += (-t_l * s_a + -t_w * c_a);
pos = v[2]->data[posPos];
- pos[0] += (dx * c_a - dy * s_a);
- pos[1] += (dx * s_a + dy * c_a);
+ pos[0] += (t_l * c_a - t_w * s_a);
+ pos[1] += (t_l * s_a + t_w * c_a);
pos = v[3]->data[posPos];
- pos[0] += (dx * c_a - -dy * s_a);
- pos[1] += (dx * s_a + -dy * c_a);
-
- pos = v[4]->data[posPos];
- pos[0] += (-dx * c_a - dy * s_a);
- pos[1] += (-dx * s_a + dy * c_a);
-
- pos = v[5]->data[posPos];
- pos[0] += (-dx * c_a - -dy * s_a);
- pos[1] += (-dx * s_a + -dy * c_a);
-
- pos = v[6]->data[posPos];
- pos[0] += (dx * c_a - dy * s_a);
- pos[1] += (dx * s_a + dy * c_a);
-
- pos = v[7]->data[posPos];
- pos[0] += (dx * c_a - -dy * s_a);
- pos[1] += (dx * s_a + -dy * c_a);
+ pos[0] += (t_l * c_a - -t_w * s_a);
+ pos[1] += (t_l * s_a + -t_w * c_a);
/* new texcoords */
- tex = v[0]->data[texPos];
- ASSIGN_4V(tex, 0, 0, 0, 1);
-
- tex = v[1]->data[texPos];
- ASSIGN_4V(tex, 0, 1, 0, 1);
-
- tex = v[2]->data[texPos];
- ASSIGN_4V(tex, .5, 0, 0, 1);
+ tex = v[0]->data[coordPos];
+ ASSIGN_4V(tex, -half_width, half_width, -half_length, half_length);
- tex = v[3]->data[texPos];
- ASSIGN_4V(tex, .5, 1, 0, 1);
+ tex = v[1]->data[coordPos];
+ ASSIGN_4V(tex, half_width, half_width, -half_length, half_length);
- tex = v[4]->data[texPos];
- ASSIGN_4V(tex, .5, 0, 0, 1);
+ tex = v[2]->data[coordPos];
+ ASSIGN_4V(tex, -half_width, half_width, half_length, half_length);
- tex = v[5]->data[texPos];
- ASSIGN_4V(tex, .5, 1, 0, 1);
+ tex = v[3]->data[coordPos];
+ ASSIGN_4V(tex, half_width, half_width, half_length, half_length);
- tex = v[6]->data[texPos];
- ASSIGN_4V(tex, 1, 0, 0, 1);
-
- tex = v[7]->data[texPos];
- ASSIGN_4V(tex, 1, 1, 0, 1);
-
- /* emit 6 tris for the quad strip */
tri.v[0] = v[2]; tri.v[1] = v[1]; tri.v[2] = v[0];
stage->next->tri(stage->next, &tri);
tri.v[0] = v[3]; tri.v[1] = v[1]; tri.v[2] = v[2];
stage->next->tri(stage->next, &tri);
-
- tri.v[0] = v[4]; tri.v[1] = v[3]; tri.v[2] = v[2];
- stage->next->tri(stage->next, &tri);
-
- tri.v[0] = v[5]; tri.v[1] = v[3]; tri.v[2] = v[4];
- stage->next->tri(stage->next, &tri);
-
- tri.v[0] = v[6]; tri.v[1] = v[5]; tri.v[2] = v[4];
- stage->next->tri(stage->next, &tri);
-
- tri.v[0] = v[7]; tri.v[1] = v[5]; tri.v[2] = v[6];
- stage->next->tri(stage->next, &tri);
}
struct draw_context *draw = stage->draw;
struct pipe_context *pipe = draw->pipe;
const struct pipe_rasterizer_state *rast = draw->rasterizer;
- uint num_samplers;
- uint num_sampler_views;
void *r;
assert(draw->rasterizer->line_smooth);
- if (draw->rasterizer->line_width <= 2.2)
- aaline->half_line_width = 1.1f;
+ if (draw->rasterizer->line_width <= 1.0)
+ aaline->half_line_width = 1.0;
else
- aaline->half_line_width = 0.5f * draw->rasterizer->line_width;
+ aaline->half_line_width = 0.5f * draw->rasterizer->line_width + 0.5f;
+
+ if (!draw->rasterizer->half_pixel_center)
+ /*
+ * The tex coords probably would need adjustments?
+ */
+ debug_printf("aa lines without half pixel center may be wrong\n");
/*
- * Bind (generate) our fragprog, sampler and texture
+ * Bind (generate) our fragprog
*/
if (!bind_aaline_fragment_shader(aaline)) {
stage->line = draw_pipe_passthrough_line;
draw_aaline_prepare_outputs(draw, draw->pipeline.aaline);
- /* how many samplers? */
- /* we'll use sampler/texture[aaline->sampler_unit] for the alpha texture */
- num_samplers = MAX2(aaline->num_samplers, aaline->fs->sampler_unit + 1);
- num_sampler_views = MAX2(num_samplers, aaline->num_sampler_views);
-
- aaline->state.sampler[aaline->fs->sampler_unit] = aaline->sampler_cso;
- 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, PIPE_SHADER_FRAGMENT, 0,
- num_samplers, aaline->state.sampler);
-
- aaline->driver_set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0,
- num_sampler_views, 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);
stage->line = aaline_first_line;
stage->next->flush(stage->next, flags);
- /* restore original frag shader, texture, sampler state */
+ /* restore original frag shader */
draw->suspend_flushing = TRUE;
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_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);
{
struct aaline_stage *aaline = aaline_stage(stage);
struct pipe_context *pipe = stage->draw->pipe;
- uint i;
-
- for (i = 0; i < PIPE_MAX_SHADER_SAMPLER_VIEWS; i++) {
- pipe_sampler_view_reference(&aaline->state.sampler_views[i], NULL);
- }
-
- if (aaline->sampler_cso)
- pipe->delete_sampler_state(pipe, aaline->sampler_cso);
-
- if (aaline->texture)
- pipe_resource_reference(&aaline->texture, NULL);
-
- if (aaline->sampler_view) {
- pipe_sampler_view_reference(&aaline->sampler_view, NULL);
- }
draw_free_temp_verts(stage);
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);
}
}
-static void
-aaline_bind_sampler_states(struct pipe_context *pipe,
- enum pipe_shader_type shader,
- unsigned start, unsigned num, void **sampler)
-{
- struct aaline_stage *aaline = aaline_stage_from_pipe(pipe);
-
- assert(start == 0);
-
- if (!aaline) {
- 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(pipe, shader, start, num, sampler);
-}
-
-
-static void
-aaline_set_sampler_views(struct pipe_context *pipe,
- enum pipe_shader_type shader,
- unsigned start, unsigned num,
- struct pipe_sampler_view **views)
-{
- struct aaline_stage *aaline = aaline_stage_from_pipe(pipe);
- uint i;
-
- if (!aaline) {
- return;
- }
-
- 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;
- }
-
- /* pass-through */
- aaline->driver_set_sampler_views(pipe, shader, start, num, views);
-}
-
-
void
draw_aaline_prepare_outputs(struct draw_context *draw,
struct draw_stage *stage)
return;
/* allocate the extra post-transformed vertex attribute */
- aaline->tex_slot = draw_alloc_extra_vertex_attrib(draw,
+ aaline->coord_slot = draw_alloc_extra_vertex_attrib(draw,
TGSI_SEMANTIC_GENERIC,
aaline->fs->generic_attrib);
}
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_sampler_states;
- aaline->driver_set_sampler_views = pipe->set_sampler_views;
-
- /* create special texture, sampler state */
- if (!aaline_create_texture(aaline))
- goto fail;
-
- if (!aaline_create_sampler(aaline))
- goto fail;
-
/* 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_sampler_states = aaline_bind_sampler_states;
- pipe->set_sampler_views = aaline_set_sampler_views;
-
/* Install once everything is known to be OK:
*/
draw->pipeline.aaline = &aaline->stage;
projects / mesa.git / commitdiff