* Brian Paul
*/
+#include "main/errors.h"
#include "main/imports.h"
#include "main/image.h"
#include "main/bufferobj.h"
+#include "main/dlist.h"
#include "main/macros.h"
#include "main/pbo.h"
#include "program/program.h"
#include "st_draw.h"
#include "st_program.h"
#include "st_cb_bitmap.h"
+#include "st_sampler_view.h"
#include "st_texture.h"
#include "pipe/p_context.h"
#include "pipe/p_shader_tokens.h"
#include "util/u_inlines.h"
#include "util/u_simple_shaders.h"
+#include "util/u_upload_mgr.h"
#include "program/prog_instruction.h"
#include "cso_cache/cso_context.h"
#define BITMAP_CACHE_WIDTH 512
#define BITMAP_CACHE_HEIGHT 32
-struct bitmap_cache
-{
- /** Window pos to render the cached image */
- GLint xpos, ypos;
- /** Bounds of region used in window coords */
- GLint xmin, ymin, xmax, ymax;
-
- GLfloat color[4];
-
- /** Bitmap's Z position */
- GLfloat zpos;
-
- struct pipe_resource *texture;
- struct pipe_transfer *trans;
-
- GLboolean empty;
-
- /** An I8 texture image: */
- ubyte *buffer;
-};
-
/** Epsilon for Z comparisons */
#define Z_EPSILON 1e-06
static void
setup_render_state(struct gl_context *ctx,
struct pipe_sampler_view *sv,
- const GLfloat *color)
+ const GLfloat *color,
+ bool atlas)
{
struct st_context *st = st_context(ctx);
struct cso_context *cso = st->cso_context;
GLfloat colorSave[4];
COPY_4V(colorSave, ctx->Current.Attrib[VERT_ATTRIB_COLOR0]);
COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], color);
- st_upload_constants(st, st->fp->Base.Base.Parameters,
- PIPE_SHADER_FRAGMENT);
+ st_upload_constants(st, &st->fp->Base);
COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], colorSave);
}
{
struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
uint num = MAX2(fpv->bitmap_sampler + 1,
- st->state.num_samplers[PIPE_SHADER_FRAGMENT]);
+ st->state.num_frag_samplers);
uint i;
- for (i = 0; i < st->state.num_samplers[PIPE_SHADER_FRAGMENT]; i++) {
- samplers[i] = &st->state.samplers[PIPE_SHADER_FRAGMENT][i];
+ for (i = 0; i < st->state.num_frag_samplers; i++) {
+ samplers[i] = &st->state.frag_samplers[i];
}
- samplers[fpv->bitmap_sampler] = &st->bitmap.sampler;
+ if (atlas)
+ samplers[fpv->bitmap_sampler] = &st->bitmap.atlas_sampler;
+ else
+ samplers[fpv->bitmap_sampler] = &st->bitmap.sampler;
cso_set_samplers(cso, PIPE_SHADER_FRAGMENT, num,
(const struct pipe_sampler_state **) samplers);
}
struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
uint num = MAX2(fpv->bitmap_sampler + 1,
st->state.num_sampler_views[PIPE_SHADER_FRAGMENT]);
- memcpy(sampler_views, st->state.sampler_views[PIPE_SHADER_FRAGMENT],
+ memcpy(sampler_views, st->state.frag_sampler_views,
sizeof(sampler_views));
sampler_views[fpv->bitmap_sampler] = sv;
cso_set_sampler_views(cso, PIPE_SHADER_FRAGMENT, num, sampler_views);
}
/* viewport state: viewport matching window dims */
- cso_set_viewport_dims(cso, st->state.framebuffer.width,
- st->state.framebuffer.height,
+ cso_set_viewport_dims(cso, st->state.fb_width,
+ st->state.fb_height,
st->state.fb_orientation == Y_0_TOP);
cso_set_vertex_elements(cso, 3, st->util_velems);
{
struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
- const float fb_width = (float) st->state.framebuffer.width;
- const float fb_height = (float) st->state.framebuffer.height;
+ const float fb_width = (float) st->state.fb_width;
+ const float fb_height = (float) st->state.fb_height;
const float x0 = (float) x;
const float x1 = (float) (x + width);
const float y0 = (float) y;
/* XXX if the bitmap is larger than the max texture size, break
* it up into chunks.
*/
- GLuint maxSize = 1 << (pipe->screen->get_param(pipe->screen,
- PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
+ GLuint MAYBE_UNUSED maxSize =
+ 1 << (pipe->screen->get_param(pipe->screen,
+ PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
assert(width <= (GLsizei) maxSize);
assert(height <= (GLsizei) maxSize);
}
- setup_render_state(ctx, sv, color);
+ setup_render_state(ctx, sv, color, false);
/* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
z = z * 2.0f - 1.0f;
restore_render_state(ctx);
/* We uploaded modified constants, need to invalidate them. */
- st->dirty.mesa |= _NEW_PROGRAM_CONSTANTS;
+ st->dirty |= ST_NEW_FS_CONSTANTS;
}
static void
reset_cache(struct st_context *st)
{
- struct bitmap_cache *cache = st->bitmap.cache;
+ struct st_bitmap_cache *cache = &st->bitmap.cache;
/*memset(cache->buffer, 0xff, sizeof(cache->buffer));*/
cache->empty = GL_TRUE;
/** Print bitmap image to stdout (debug) */
static void
-print_cache(const struct bitmap_cache *cache)
+print_cache(const struct st_bitmap_cache *cache)
{
int i, j, k;
create_cache_trans(struct st_context *st)
{
struct pipe_context *pipe = st->pipe;
- struct bitmap_cache *cache = st->bitmap.cache;
+ struct st_bitmap_cache *cache = &st->bitmap.cache;
if (cache->trans)
return;
void
st_flush_bitmap_cache(struct st_context *st)
{
- struct bitmap_cache *cache = st->bitmap.cache;
+ struct st_bitmap_cache *cache = &st->bitmap.cache;
- if (cache && !cache->empty) {
+ if (!cache->empty) {
struct pipe_context *pipe = st->pipe;
struct pipe_sampler_view *sv;
const GLubyte *bitmap )
{
struct st_context *st = ctx->st;
- struct bitmap_cache *cache = st->bitmap.cache;
+ struct st_bitmap_cache *cache = &st->bitmap.cache;
int px = -999, py = -999;
const GLfloat z = ctx->Current.RasterPos[2];
struct pipe_screen *screen = pipe->screen;
/* This function should only be called once */
- assert(st->bitmap.cache == NULL);
+ assert(st->bitmap.vs == NULL);
assert(st->internal_target == PIPE_TEXTURE_2D ||
st->internal_target == PIPE_TEXTURE_RECT);
- /* alloc bitmap cache object */
- st->bitmap.cache = ST_CALLOC_STRUCT(bitmap_cache);
-
/* init sampler state once */
memset(&st->bitmap.sampler, 0, sizeof(st->bitmap.sampler));
st->bitmap.sampler.wrap_s = PIPE_TEX_WRAP_CLAMP;
st->bitmap.sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
st->bitmap.sampler.normalized_coords = st->internal_target == PIPE_TEXTURE_2D;
+ st->bitmap.atlas_sampler = st->bitmap.sampler;
+ st->bitmap.atlas_sampler.normalized_coords = 0;
+
/* init baseline rasterizer state once */
memset(&st->bitmap.rasterizer, 0, sizeof(st->bitmap.rasterizer));
st->bitmap.rasterizer.half_pixel_center = 1;
/* find a usable texture format */
if (screen->is_format_supported(screen, PIPE_FORMAT_I8_UNORM,
- st->internal_target, 0,
+ st->internal_target, 0, 0,
PIPE_BIND_SAMPLER_VIEW)) {
st->bitmap.tex_format = PIPE_FORMAT_I8_UNORM;
}
else if (screen->is_format_supported(screen, PIPE_FORMAT_A8_UNORM,
- st->internal_target, 0,
+ st->internal_target, 0, 0,
PIPE_BIND_SAMPLER_VIEW)) {
st->bitmap.tex_format = PIPE_FORMAT_A8_UNORM;
}
else if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM,
- st->internal_target, 0,
+ st->internal_target, 0, 0,
PIPE_BIND_SAMPLER_VIEW)) {
st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM;
}
assert(width > 0);
assert(height > 0);
- if (!st->bitmap.cache) {
+ st_invalidate_readpix_cache(st);
+
+ if (!st->bitmap.vs) {
init_bitmap_state(st);
}
- /* We only need to validate state of the st dirty flags are set or
- * any non-_NEW_PROGRAM_CONSTANTS mesa flags are set. The VS we use
+ /* We only need to validate any non-ST_NEW_CONSTANTS state. The VS we use
* for bitmap drawing uses no constants and the FS constants are
* explicitly uploaded in the draw_bitmap_quad() function.
*/
- if ((st->dirty.mesa & ~_NEW_PROGRAM_CONSTANTS) || st->dirty.st) {
- st_validate_state(st, ST_PIPELINE_RENDER);
+ if ((st->dirty | ctx->NewDriverState) & ~ST_NEW_CONSTANTS &
+ ST_PIPELINE_RENDER_STATE_MASK ||
+ st->gfx_shaders_may_be_dirty) {
+ st_validate_state(st, ST_PIPELINE_META);
}
if (UseBitmapCache && accum_bitmap(ctx, x, y, width, height, unpack, bitmap))
}
+/**
+ * Called via ctx->Driver.DrawAtlasBitmap()
+ */
+static void
+st_DrawAtlasBitmaps(struct gl_context *ctx,
+ const struct gl_bitmap_atlas *atlas,
+ GLuint count, const GLubyte *ids)
+{
+ struct st_context *st = st_context(ctx);
+ struct pipe_context *pipe = st->pipe;
+ struct st_texture_object *stObj = st_texture_object(atlas->texObj);
+ struct pipe_sampler_view *sv;
+ /* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
+ const float z = ctx->Current.RasterPos[2] * 2.0f - 1.0f;
+ const float *color = ctx->Current.RasterColor;
+ const float clip_x_scale = 2.0f / st->state.fb_width;
+ const float clip_y_scale = 2.0f / st->state.fb_height;
+ const unsigned num_verts = count * 4;
+ const unsigned num_vert_bytes = num_verts * sizeof(struct st_util_vertex);
+ struct st_util_vertex *verts;
+ struct pipe_vertex_buffer vb = {0};
+ unsigned i;
+
+ if (!st->bitmap.vs) {
+ init_bitmap_state(st);
+ }
+
+ st_flush_bitmap_cache(st);
+
+ st_validate_state(st, ST_PIPELINE_META);
+ st_invalidate_readpix_cache(st);
+
+ sv = st_create_texture_sampler_view(pipe, stObj->pt);
+ if (!sv) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCallLists(bitmap text)");
+ return;
+ }
+
+ setup_render_state(ctx, sv, color, true);
+
+ vb.stride = sizeof(struct st_util_vertex);
+
+ u_upload_alloc(pipe->stream_uploader, 0, num_vert_bytes, 4,
+ &vb.buffer_offset, &vb.buffer.resource, (void **) &verts);
+
+ if (unlikely(!verts)) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCallLists(bitmap text)");
+ goto out;
+ }
+
+ /* build quads vertex data */
+ for (i = 0; i < count; i++) {
+ const GLfloat epsilon = 0.0001F;
+ const struct gl_bitmap_glyph *g = &atlas->glyphs[ids[i]];
+ const float xmove = g->xmove, ymove = g->ymove;
+ const float xorig = g->xorig, yorig = g->yorig;
+ const float s0 = g->x, t0 = g->y;
+ const float s1 = s0 + g->w, t1 = t0 + g->h;
+ const float x0 = IFLOOR(ctx->Current.RasterPos[0] - xorig + epsilon);
+ const float y0 = IFLOOR(ctx->Current.RasterPos[1] - yorig + epsilon);
+ const float x1 = x0 + g->w, y1 = y0 + g->h;
+ const float clip_x0 = x0 * clip_x_scale - 1.0f;
+ const float clip_y0 = y0 * clip_y_scale - 1.0f;
+ const float clip_x1 = x1 * clip_x_scale - 1.0f;
+ const float clip_y1 = y1 * clip_y_scale - 1.0f;
+
+ /* lower-left corner */
+ verts->x = clip_x0;
+ verts->y = clip_y0;
+ verts->z = z;
+ verts->r = color[0];
+ verts->g = color[1];
+ verts->b = color[2];
+ verts->a = color[3];
+ verts->s = s0;
+ verts->t = t0;
+ verts++;
+
+ /* lower-right corner */
+ verts->x = clip_x1;
+ verts->y = clip_y0;
+ verts->z = z;
+ verts->r = color[0];
+ verts->g = color[1];
+ verts->b = color[2];
+ verts->a = color[3];
+ verts->s = s1;
+ verts->t = t0;
+ verts++;
+
+ /* upper-right corner */
+ verts->x = clip_x1;
+ verts->y = clip_y1;
+ verts->z = z;
+ verts->r = color[0];
+ verts->g = color[1];
+ verts->b = color[2];
+ verts->a = color[3];
+ verts->s = s1;
+ verts->t = t1;
+ verts++;
+
+ /* upper-left corner */
+ verts->x = clip_x0;
+ verts->y = clip_y1;
+ verts->z = z;
+ verts->r = color[0];
+ verts->g = color[1];
+ verts->b = color[2];
+ verts->a = color[3];
+ verts->s = s0;
+ verts->t = t1;
+ verts++;
+
+ /* Update the raster position */
+ ctx->Current.RasterPos[0] += xmove;
+ ctx->Current.RasterPos[1] += ymove;
+ }
+
+ u_upload_unmap(pipe->stream_uploader);
+
+ cso_set_vertex_buffers(st->cso_context, 0, 1, &vb);
+ cso_draw_arrays(st->cso_context, PIPE_PRIM_QUADS, 0, num_verts);
+
+out:
+ restore_render_state(ctx);
+
+ pipe_resource_reference(&vb.buffer.resource, NULL);
+
+ pipe_sampler_view_reference(&sv, NULL);
+
+ /* We uploaded modified constants, need to invalidate them. */
+ st->dirty |= ST_NEW_FS_CONSTANTS;
+}
+
+
+
/** Per-context init */
void
st_init_bitmap_functions(struct dd_function_table *functions)
{
functions->Bitmap = st_Bitmap;
+ functions->DrawAtlasBitmaps = st_DrawAtlasBitmaps;
}
st_destroy_bitmap(struct st_context *st)
{
struct pipe_context *pipe = st->pipe;
- struct bitmap_cache *cache = st->bitmap.cache;
+ struct st_bitmap_cache *cache = &st->bitmap.cache;
if (st->bitmap.vs) {
cso_delete_vertex_shader(st->cso_context, st->bitmap.vs);
st->bitmap.vs = NULL;
}
- if (cache) {
- if (cache->trans && cache->buffer) {
- pipe_transfer_unmap(pipe, cache->trans);
- }
- pipe_resource_reference(&st->bitmap.cache->texture, NULL);
- free(st->bitmap.cache);
- st->bitmap.cache = NULL;
+ if (cache->trans && cache->buffer) {
+ pipe_transfer_unmap(pipe, cache->trans);
}
+ pipe_resource_reference(&st->bitmap.cache.texture, NULL);
}