Merge branch 'llvm-cliptest-viewport'
[mesa.git] / src / mesa / state_tracker / st_cb_bitmap.c
index 85420a950f49da4f355b4880f52f3d21bd7e5421..3c0ee6c288387fafb21398eeb006e5294b28514a 100644 (file)
@@ -34,8 +34,8 @@
 #include "main/image.h"
 #include "main/bufferobj.h"
 #include "main/macros.h"
-#include "shader/program.h"
-#include "shader/prog_print.h"
+#include "program/program.h"
+#include "program/prog_print.h"
 
 #include "st_context.h"
 #include "st_atom.h"
 #include "st_program.h"
 #include "st_cb_bitmap.h"
 #include "st_texture.h"
-#include "st_inlines.h"
 
 #include "pipe/p_context.h"
 #include "pipe/p_defines.h"
+#include "pipe/p_shader_tokens.h"
 #include "util/u_inlines.h"
 #include "util/u_draw_quad.h"
 #include "util/u_simple_shaders.h"
-#include "shader/prog_instruction.h"
+#include "program/prog_instruction.h"
 #include "cso_cache/cso_context.h"
 
 
+#if FEATURE_drawpix
 
 /**
  * glBitmaps are drawn as textured quads.  The user's bitmap pattern
@@ -92,7 +93,7 @@ struct bitmap_cache
    /** Bitmap's Z position */
    GLfloat zpos;
 
-   struct pipe_texture *texture;
+   struct pipe_resource *texture;
    struct pipe_transfer *trans;
 
    GLboolean empty;
@@ -112,8 +113,9 @@ struct bitmap_cache
  * This program will be combined with the user's fragment program.
  */
 static struct st_fragment_program *
-make_bitmap_fragment_program(GLcontext *ctx, GLuint samplerIndex)
+make_bitmap_fragment_program(struct gl_context *ctx, GLuint samplerIndex)
 {
+   struct st_context *st = st_context(ctx);
    struct st_fragment_program *stfp;
    struct gl_program *p;
    GLuint ic = 0;
@@ -145,7 +147,7 @@ make_bitmap_fragment_program(GLcontext *ctx, GLuint samplerIndex)
    p->Instructions[ic].Opcode = OPCODE_KIL;
    p->Instructions[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
 
-   if (ctx->st->bitmap.tex_format == PIPE_FORMAT_L8_UNORM)
+   if (st->bitmap.tex_format == PIPE_FORMAT_L8_UNORM)
       p->Instructions[ic].SrcReg[0].Swizzle = SWIZZLE_XXXX;
 
    p->Instructions[ic].SrcReg[0].Index = 0;
@@ -185,9 +187,9 @@ find_free_bit(uint bitfield)
  * Combine basic bitmap fragment program with the user-defined program.
  */
 static struct st_fragment_program *
-combined_bitmap_fragment_program(GLcontext *ctx)
+combined_bitmap_fragment_program(struct gl_context *ctx)
 {
-   struct st_context *st = ctx->st;
+   struct st_context *st = st_context(ctx);
    struct st_fragment_program *stfp = st->fp;
 
    if (!stfp->bitmap_program) {
@@ -253,16 +255,16 @@ unpack_bitmap(struct st_context *st,
 /**
  * Create a texture which represents a bitmap image.
  */
-static struct pipe_texture *
-make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
+static struct pipe_resource *
+make_bitmap_texture(struct gl_context *ctx, GLsizei width, GLsizei height,
                     const struct gl_pixelstore_attrib *unpack,
                     const GLubyte *bitmap)
 {
-   struct pipe_context *pipe = ctx->st->pipe;
-   struct pipe_screen *screen = pipe->screen;
+   struct st_context *st = st_context(ctx);
+   struct pipe_context *pipe = st->pipe;
    struct pipe_transfer *transfer;
    ubyte *dest;
-   struct pipe_texture *pt;
+   struct pipe_resource *pt;
 
    /* PBO source... */
    bitmap = _mesa_map_pbo_source(ctx, unpack, bitmap);
@@ -273,36 +275,36 @@ make_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height,
    /**
     * Create texture to hold bitmap pattern.
     */
-   pt = st_texture_create(ctx->st, PIPE_TEXTURE_2D, ctx->st->bitmap.tex_format,
+   pt = st_texture_create(st, st->internal_target, st->bitmap.tex_format,
                           0, width, height, 1,
-                          PIPE_TEXTURE_USAGE_SAMPLER);
+                          PIPE_BIND_SAMPLER_VIEW);
    if (!pt) {
       _mesa_unmap_pbo_source(ctx, unpack);
       return NULL;
    }
 
-   transfer = st_no_flush_get_tex_transfer(st_context(ctx), pt, 0, 0, 0,
+   transfer = pipe_get_transfer(st->pipe, pt, 0, 0, 0,
                                           PIPE_TRANSFER_WRITE,
                                           0, 0, width, height);
 
-   dest = screen->transfer_map(screen, transfer);
+   dest = pipe_transfer_map(pipe, transfer);
 
    /* Put image into texture transfer */
    memset(dest, 0xff, height * transfer->stride);
-   unpack_bitmap(ctx->st, 0, 0, width, height, unpack, bitmap,
+   unpack_bitmap(st, 0, 0, width, height, unpack, bitmap,
                  dest, transfer->stride);
 
    _mesa_unmap_pbo_source(ctx, unpack);
 
    /* Release transfer */
-   screen->transfer_unmap(screen, transfer);
-   screen->tex_transfer_destroy(transfer);
+   pipe_transfer_unmap(pipe, transfer);
+   pipe->transfer_destroy(pipe, transfer);
 
    return pt;
 }
 
 static GLuint
-setup_bitmap_vertex_data(struct st_context *st,
+setup_bitmap_vertex_data(struct st_context *st, bool normalized,
                          int x, int y, int width, int height,
                          float z, const float color[4])
 {
@@ -314,12 +316,20 @@ setup_bitmap_vertex_data(struct st_context *st,
    const GLfloat x1 = (GLfloat)(x + width);
    const GLfloat y0 = (GLfloat)y;
    const GLfloat y1 = (GLfloat)(y + height);
-   const GLfloat sLeft = (GLfloat)0.0, sRight = (GLfloat)1.0;
-   const GLfloat tTop = (GLfloat)0.0, tBot = (GLfloat)1.0 - tTop;
+   GLfloat sLeft = (GLfloat)0.0, sRight = (GLfloat)1.0;
+   GLfloat tTop = (GLfloat)0.0, tBot = (GLfloat)1.0 - tTop;
    const GLfloat clip_x0 = (GLfloat)(x0 / fb_width * 2.0 - 1.0);
    const GLfloat clip_y0 = (GLfloat)(y0 / fb_height * 2.0 - 1.0);
    const GLfloat clip_x1 = (GLfloat)(x1 / fb_width * 2.0 - 1.0);
    const GLfloat clip_y1 = (GLfloat)(y1 / fb_height * 2.0 - 1.0);
+   const GLuint max_slots = 1; /* 4096 / sizeof(st->bitmap.vertices); */
+   GLuint i;
+
+   if(!normalized)
+   {
+      sRight = width;
+      tBot = height;
+   }
 
    /* XXX: Need to improve buffer_write to allow NO_WAIT (as well as
     * no_flush) updates to buffers where we know there is no conflict
@@ -331,17 +341,14 @@ setup_bitmap_vertex_data(struct st_context *st,
     * price of allocating a new buffer for each bitmap cache-flush to
     * avoid synchronous rendering.
     */
-   const GLuint max_slots = 1; /* 4096 / sizeof(st->bitmap.vertices); */
-   GLuint i;
-
    if (st->bitmap.vbuf_slot >= max_slots) {
-      pipe_buffer_reference(&st->bitmap.vbuf, NULL);
+      pipe_resource_reference(&st->bitmap.vbuf, NULL);
       st->bitmap.vbuf_slot = 0;
    }
 
    if (!st->bitmap.vbuf) {
-      st->bitmap.vbuf = pipe_buffer_create(pipe->screen, 32, 
-                                           PIPE_BUFFER_USAGE_VERTEX,
+      st->bitmap.vbuf = pipe_buffer_create(pipe->screen, 
+                                           PIPE_BIND_VERTEX_BUFFER,
                                            max_slots * sizeof(st->bitmap.vertices));
    }
 
@@ -381,7 +388,7 @@ setup_bitmap_vertex_data(struct st_context *st,
    }
 
    /* put vertex data into vbuf */
-   st_no_flush_pipe_buffer_write_nooverlap(st,
+   pipe_buffer_write_nooverlap(st->pipe,
                                            st->bitmap.vbuf,
                                            st->bitmap.vbuf_slot * sizeof st->bitmap.vertices,
                                            sizeof st->bitmap.vertices,
@@ -396,14 +403,14 @@ setup_bitmap_vertex_data(struct st_context *st,
  * Render a glBitmap by drawing a textured quad
  */
 static void
-draw_bitmap_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
+draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
                  GLsizei width, GLsizei height,
-                 struct pipe_texture *pt,
+                 struct pipe_sampler_view *sv,
                  const GLfloat *color)
 {
-   struct st_context *st = ctx->st;
-   struct pipe_context *pipe = ctx->st->pipe;
-   struct cso_context *cso = ctx->st->cso_context;
+   struct st_context *st = st_context(ctx);
+   struct pipe_context *pipe = st->pipe;
+   struct cso_context *cso = st->cso_context;
    struct st_fragment_program *stfp;
    GLuint maxSize;
    GLuint offset;
@@ -436,10 +443,11 @@ draw_bitmap_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
 
    cso_save_rasterizer(cso);
    cso_save_samplers(cso);
-   cso_save_sampler_textures(cso);
+   cso_save_fragment_sampler_views(cso);
    cso_save_viewport(cso);
    cso_save_fragment_shader(cso);
    cso_save_vertex_shader(cso);
+   cso_save_vertex_elements(cso);
 
    /* rasterizer state: just scissor */
    st->bitmap.rasterizer.scissor = ctx->Scissor.Enabled;
@@ -459,17 +467,17 @@ draw_bitmap_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
       for (i = 0; i < st->state.num_samplers; i++) {
          samplers[i] = &st->state.samplers[i];
       }
-      samplers[stfp->bitmap_sampler] = &st->bitmap.sampler;
+      samplers[stfp->bitmap_sampler] = &st->bitmap.samplers[sv->texture->target != PIPE_TEXTURE_RECT];
       cso_set_samplers(cso, num, (const struct pipe_sampler_state **) samplers);
    }
 
    /* user textures, plus the bitmap texture */
    {
-      struct pipe_texture *textures[PIPE_MAX_SAMPLERS];
+      struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
       uint num = MAX2(stfp->bitmap_sampler + 1, st->state.num_textures);
-      memcpy(textures, st->state.sampler_texture, sizeof(textures));
-      textures[stfp->bitmap_sampler] = pt;
-      cso_set_sampler_textures(cso, num, textures);
+      memcpy(sampler_views, st->state.sampler_views, sizeof(sampler_views));
+      sampler_views[stfp->bitmap_sampler] = sv;
+      cso_set_fragment_sampler_views(cso, num, sampler_views);
    }
 
    /* viewport state: viewport matching window dims */
@@ -481,17 +489,22 @@ draw_bitmap_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
       struct pipe_viewport_state vp;
       vp.scale[0] =  0.5f * width;
       vp.scale[1] = height * (invert ? -0.5f : 0.5f);
-      vp.scale[2] = 1.0f;
+      vp.scale[2] = 0.5f;
       vp.scale[3] = 1.0f;
       vp.translate[0] = 0.5f * width;
       vp.translate[1] = 0.5f * height;
-      vp.translate[2] = 0.0f;
+      vp.translate[2] = 0.5f;
       vp.translate[3] = 0.0f;
       cso_set_viewport(cso, &vp);
    }
 
+   cso_set_vertex_elements(cso, 3, st->velems_util_draw);
+
+   /* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
+   z = z * 2.0 - 1.0;
+
    /* draw textured quad */
-   offset = setup_bitmap_vertex_data(st, x, y, width, height, z, color);
+   offset = setup_bitmap_vertex_data(st, sv->texture->target != PIPE_TEXTURE_RECT, x, y, width, height, z, color);
 
    util_draw_vertex_buffer(pipe, st->bitmap.vbuf, offset,
                            PIPE_PRIM_TRIANGLE_FAN,
@@ -502,10 +515,11 @@ draw_bitmap_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
    /* restore state */
    cso_restore_rasterizer(cso);
    cso_restore_samplers(cso);
-   cso_restore_sampler_textures(cso);
+   cso_restore_fragment_sampler_views(cso);
    cso_restore_viewport(cso);
    cso_restore_fragment_shader(cso);
    cso_restore_vertex_shader(cso);
+   cso_restore_vertex_elements(cso);
 }
 
 
@@ -513,7 +527,6 @@ static void
 reset_cache(struct st_context *st)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct bitmap_cache *cache = st->bitmap.cache;
 
    /*memset(cache->buffer, 0xff, sizeof(cache->buffer));*/
@@ -525,7 +538,7 @@ reset_cache(struct st_context *st)
    cache->ymax = -1000000;
 
    if (cache->trans) {
-      screen->tex_transfer_destroy(cache->trans);
+      pipe->transfer_destroy(pipe, cache->trans);
       cache->trans = NULL;
    }
 
@@ -535,15 +548,35 @@ reset_cache(struct st_context *st)
    cache->texture = st_texture_create(st, PIPE_TEXTURE_2D,
                                       st->bitmap.tex_format, 0,
                                       BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT,
-                                      1, PIPE_TEXTURE_USAGE_SAMPLER);
+                                      1,
+                                     PIPE_BIND_SAMPLER_VIEW);
+}
 
+
+/** Print bitmap image to stdout (debug) */
+static void
+print_cache(const struct bitmap_cache *cache)
+{
+   int i, j, k;
+
+   for (i = 0; i < BITMAP_CACHE_HEIGHT; i++) {
+      k = BITMAP_CACHE_WIDTH * (BITMAP_CACHE_HEIGHT - i - 1);
+      for (j = 0; j < BITMAP_CACHE_WIDTH; j++) {
+         if (cache->buffer[k])
+            printf("X");
+         else
+            printf(" ");
+         k++;
+      }
+      printf("\n");
+   }
 }
 
+
 static void
 create_cache_trans(struct st_context *st)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct bitmap_cache *cache = st->bitmap.cache;
 
    if (cache->trans)
@@ -552,11 +585,11 @@ create_cache_trans(struct st_context *st)
    /* Map the texture transfer.
     * Subsequent glBitmap calls will write into the texture image.
     */
-   cache->trans = st_no_flush_get_tex_transfer(st, cache->texture, 0, 0, 0,
+   cache->trans = pipe_get_transfer(st->pipe, cache->texture, 0, 0, 0,
                                               PIPE_TRANSFER_WRITE, 0, 0,
                                               BITMAP_CACHE_WIDTH,
                                               BITMAP_CACHE_HEIGHT);
-   cache->buffer = screen->transfer_map(screen, cache->trans);
+   cache->buffer = pipe_transfer_map(pipe, cache->trans);
 
    /* init image to all 0xff */
    memset(cache->buffer, 0xff, cache->trans->stride * BITMAP_CACHE_HEIGHT);
@@ -574,7 +607,7 @@ st_flush_bitmap_cache(struct st_context *st)
 
       if (st->ctx->DrawBuffer) {
          struct pipe_context *pipe = st->pipe;
-         struct pipe_screen *screen = pipe->screen;
+         struct pipe_sampler_view *sv;
 
          assert(cache->xmin <= cache->xmax);
  
@@ -588,24 +621,31 @@ st_flush_bitmap_cache(struct st_context *st)
           * So unmap and release the texture transfer before drawing.
           */
          if (cache->trans) {
-            screen->transfer_unmap(screen, cache->trans);
+            if (0)
+               print_cache(cache);
+            pipe_transfer_unmap(pipe, cache->trans);
             cache->buffer = NULL;
 
-            screen->tex_transfer_destroy(cache->trans);
+            pipe->transfer_destroy(pipe, cache->trans);
             cache->trans = NULL;
          }
 
-         draw_bitmap_quad(st->ctx,
-                          cache->xpos,
-                          cache->ypos,
-                          cache->zpos,
-                          BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT,
-                          cache->texture,
-                          cache->color);
+         sv = st_create_texture_sampler_view(st->pipe, cache->texture);
+         if (sv) {
+            draw_bitmap_quad(st->ctx,
+                             cache->xpos,
+                             cache->ypos,
+                             cache->zpos,
+                             BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT,
+                             sv,
+                             cache->color);
+
+            pipe_sampler_view_reference(&sv, NULL);
+         }
       }
 
       /* release/free the texture */
-      pipe_texture_reference(&cache->texture, NULL);
+      pipe_resource_reference(&cache->texture, NULL);
 
       reset_cache(st);
    }
@@ -621,7 +661,7 @@ st_flush_bitmap( struct st_context *st )
    /* Release vertex buffer to avoid synchronous rendering if we were
     * to map it in the next frame.
     */
-   pipe_buffer_reference(&st->bitmap.vbuf, NULL);
+   pipe_resource_reference(&st->bitmap.vbuf, NULL);
    st->bitmap.vbuf_slot = 0;
 }
 
@@ -637,7 +677,7 @@ accum_bitmap(struct st_context *st,
              const GLubyte *bitmap )
 {
    struct bitmap_cache *cache = st->bitmap.cache;
-   int px = -999, py;
+   int px = -999, py = -999;
    const GLfloat z = st->ctx->Current.RasterPos[2];
 
    if (width > BITMAP_CACHE_WIDTH ||
@@ -671,6 +711,7 @@ accum_bitmap(struct st_context *st,
    }
 
    assert(px != -999);
+   assert(py != -999);
 
    if (x < cache->xmin)
       cache->xmin = x;
@@ -696,11 +737,11 @@ accum_bitmap(struct st_context *st,
  * Called via ctx->Driver.Bitmap()
  */
 static void
-st_Bitmap(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
+st_Bitmap(struct gl_context *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
           const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap )
 {
-   struct st_context *st = ctx->st;
-   struct pipe_texture *pt;
+   struct st_context *st = st_context(ctx);
+   struct pipe_resource *pt;
 
    if (width == 0 || height == 0)
       return;
@@ -723,12 +764,20 @@ st_Bitmap(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
 
    pt = make_bitmap_texture(ctx, width, height, unpack, bitmap);
    if (pt) {
-      assert(pt->target == PIPE_TEXTURE_2D);
-      draw_bitmap_quad(ctx, x, y, ctx->Current.RasterPos[2],
-                       width, height, pt,
-                       st->ctx->Current.RasterColor);
+      struct pipe_sampler_view *sv = st_create_texture_sampler_view(st->pipe, pt);
+
+      assert(pt->target == PIPE_TEXTURE_2D || pt->target == PIPE_TEXTURE_RECT);
+
+      if (sv) {
+         draw_bitmap_quad(ctx, x, y, ctx->Current.RasterPos[2],
+                          width, height, sv,
+                          st->ctx->Current.RasterColor);
+
+         pipe_sampler_view_reference(&sv, NULL);
+      }
+
       /* release/free the texture */
-      pipe_texture_reference(&pt, NULL);
+      pipe_resource_reference(&pt, NULL);
    }
 }
 
@@ -745,7 +794,7 @@ st_init_bitmap_functions(struct dd_function_table *functions)
 void
 st_init_bitmap(struct st_context *st)
 {
-   struct pipe_sampler_state *sampler = &st->bitmap.sampler;
+   struct pipe_sampler_state *sampler = &st->bitmap.samplers[0];
    struct pipe_context *pipe = st->pipe;
    struct pipe_screen *screen = pipe->screen;
 
@@ -757,23 +806,24 @@ st_init_bitmap(struct st_context *st)
    sampler->min_img_filter = PIPE_TEX_FILTER_NEAREST;
    sampler->min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
    sampler->mag_img_filter = PIPE_TEX_FILTER_NEAREST;
-   sampler->normalized_coords = 1;
+   st->bitmap.samplers[1] = *sampler;
+   st->bitmap.samplers[1].normalized_coords = 1;
 
    /* init baseline rasterizer state once */
    memset(&st->bitmap.rasterizer, 0, sizeof(st->bitmap.rasterizer));
    st->bitmap.rasterizer.gl_rasterization_rules = 1;
 
    /* find a usable texture format */
-   if (screen->is_format_supported(screen, PIPE_FORMAT_I8_UNORM, PIPE_TEXTURE_2D, 
-                                   PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
+   if (screen->is_format_supported(screen, PIPE_FORMAT_I8_UNORM, PIPE_TEXTURE_2D, 0,
+                                   PIPE_BIND_SAMPLER_VIEW, 0)) {
       st->bitmap.tex_format = PIPE_FORMAT_I8_UNORM;
    }
-   else if (screen->is_format_supported(screen, PIPE_FORMAT_A8_UNORM, PIPE_TEXTURE_2D, 
-                                        PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
+   else if (screen->is_format_supported(screen, PIPE_FORMAT_A8_UNORM, PIPE_TEXTURE_2D, 0,
+                                        PIPE_BIND_SAMPLER_VIEW, 0)) {
       st->bitmap.tex_format = PIPE_FORMAT_A8_UNORM;
    }
-   else if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM, PIPE_TEXTURE_2D, 
-                                        PIPE_TEXTURE_USAGE_SAMPLER, 0)) {
+   else if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM, PIPE_TEXTURE_2D, 0,
+                                        PIPE_BIND_SAMPLER_VIEW, 0)) {
       st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM;
    }
    else {
@@ -793,7 +843,6 @@ void
 st_destroy_bitmap(struct st_context *st)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_screen *screen = pipe->screen;
    struct bitmap_cache *cache = st->bitmap.cache;
 
 
@@ -804,17 +853,19 @@ st_destroy_bitmap(struct st_context *st)
    }
 
    if (st->bitmap.vbuf) {
-      pipe_buffer_reference(&st->bitmap.vbuf, NULL);
+      pipe_resource_reference(&st->bitmap.vbuf, NULL);
       st->bitmap.vbuf = NULL;
    }
 
    if (cache) {
       if (cache->trans) {
-         screen->transfer_unmap(screen, cache->trans);
-         screen->tex_transfer_destroy(cache->trans);
+         pipe_transfer_unmap(pipe, cache->trans);
+         pipe->transfer_destroy(pipe, cache->trans);
       }
-      pipe_texture_reference(&st->bitmap.cache->texture, NULL);
-      _mesa_free(st->bitmap.cache);
+      pipe_resource_reference(&st->bitmap.cache->texture, NULL);
+      free(st->bitmap.cache);
       st->bitmap.cache = NULL;
    }
 }
+
+#endif /* FEATURE_drawpix */