/**************************************************************************
*
- * 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 "main/image.h"
#include "main/bufferobj.h"
#include "main/macros.h"
-#include "main/mfeatures.h"
+#include "main/pbo.h"
#include "program/program.h"
#include "program/prog_print.h"
#include "util/u_inlines.h"
#include "util/u_draw_quad.h"
#include "util/u_simple_shaders.h"
+#include "util/u_upload_mgr.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
* is stored in a texture image. An alpha8 texture format is used.
#define Z_EPSILON 1e-06
-/**
- * Make fragment program for glBitmap:
- * Sample the texture and kill the fragment if the bit is 0.
- * This program will be combined with the user's fragment program.
- */
-static struct st_fragment_program *
-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;
-
- p = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0);
- if (!p)
- return NULL;
-
- p->NumInstructions = 3;
-
- p->Instructions = _mesa_alloc_instructions(p->NumInstructions);
- if (!p->Instructions) {
- ctx->Driver.DeleteProgram(ctx, p);
- return NULL;
- }
- _mesa_init_instructions(p->Instructions, p->NumInstructions);
-
- /* TEX tmp0, fragment.texcoord[0], texture[0], 2D; */
- p->Instructions[ic].Opcode = OPCODE_TEX;
- p->Instructions[ic].DstReg.File = PROGRAM_TEMPORARY;
- p->Instructions[ic].DstReg.Index = 0;
- p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT;
- p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0;
- p->Instructions[ic].TexSrcUnit = samplerIndex;
- p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX;
- ic++;
-
- /* KIL if -tmp0 < 0 # texel=0 -> keep / texel=0 -> discard */
- p->Instructions[ic].Opcode = OPCODE_KIL;
- p->Instructions[ic].SrcReg[0].File = PROGRAM_TEMPORARY;
-
- if (st->bitmap.tex_format == PIPE_FORMAT_L8_UNORM)
- p->Instructions[ic].SrcReg[0].Swizzle = SWIZZLE_XXXX;
-
- p->Instructions[ic].SrcReg[0].Index = 0;
- p->Instructions[ic].SrcReg[0].Negate = NEGATE_XYZW;
- ic++;
-
- /* END; */
- p->Instructions[ic++].Opcode = OPCODE_END;
-
- assert(ic == p->NumInstructions);
-
- p->InputsRead = FRAG_BIT_TEX0;
- p->OutputsWritten = 0x0;
- p->SamplersUsed = (1 << samplerIndex);
-
- stfp = (struct st_fragment_program *) p;
- stfp->Base.UsesKill = GL_TRUE;
-
- return stfp;
-}
-
-
-static int
-find_free_bit(uint bitfield)
-{
- int i;
- for (i = 0; i < 32; i++) {
- if ((bitfield & (1 << i)) == 0) {
- return i;
- }
- }
- return -1;
-}
-
-
-/**
- * Combine basic bitmap fragment program with the user-defined program.
- * \param st current context
- * \param fpIn the incoming fragment program
- * \param fpOut the new fragment program which does fragment culling
- * \param bitmap_sampler sampler number for the bitmap texture
- */
-void
-st_make_bitmap_fragment_program(struct st_context *st,
- struct gl_fragment_program *fpIn,
- struct gl_fragment_program **fpOut,
- GLuint *bitmap_sampler)
-{
- struct st_fragment_program *bitmap_prog;
- struct gl_program *newProg;
- uint sampler;
-
- /*
- * Generate new program which is the user-defined program prefixed
- * with the bitmap sampler/kill instructions.
- */
- sampler = find_free_bit(fpIn->Base.SamplersUsed);
- bitmap_prog = make_bitmap_fragment_program(st->ctx, sampler);
-
- newProg = _mesa_combine_programs(st->ctx,
- &bitmap_prog->Base.Base,
- &fpIn->Base);
- /* done with this after combining */
- st_reference_fragprog(st, &bitmap_prog, NULL);
-
-#if 0
- {
- printf("Combined bitmap program:\n");
- _mesa_print_program(newProg);
- printf("InputsRead: 0x%x\n", newProg->InputsRead);
- printf("OutputsWritten: 0x%x\n", newProg->OutputsWritten);
- _mesa_print_parameter_list(newProg->Parameters);
- }
-#endif
-
- /* return results */
- *fpOut = (struct gl_fragment_program *) newProg;
- *bitmap_sampler = sampler;
-}
-
-
/**
* Copy user-provide bitmap bits into texture buffer, expanding
* bits into texels.
* Create texture to hold bitmap pattern.
*/
pt = st_texture_create(st, st->internal_target, st->bitmap.tex_format,
- 0, width, height, 1, 1,
+ 0, width, height, 1, 1, 0,
PIPE_BIND_SAMPLER_VIEW);
if (!pt) {
_mesa_unmap_pbo_source(ctx, unpack);
return NULL;
}
- transfer = pipe_get_transfer(st->pipe, pt, 0, 0,
- PIPE_TRANSFER_WRITE,
- 0, 0, width, height);
-
- dest = pipe_transfer_map(pipe, transfer);
+ dest = pipe_transfer_map(st->pipe, pt, 0, 0,
+ PIPE_TRANSFER_WRITE,
+ 0, 0, width, height, &transfer);
/* Put image into texture transfer */
memset(dest, 0xff, height * transfer->stride);
/* Release transfer */
pipe_transfer_unmap(pipe, transfer);
- pipe->transfer_destroy(pipe, transfer);
-
return pt;
}
-static GLuint
-setup_bitmap_vertex_data(struct st_context *st, bool normalized,
- int x, int y, int width, int height,
- float z, const float color[4])
-{
- struct pipe_context *pipe = st->pipe;
- const struct gl_framebuffer *fb = st->ctx->DrawBuffer;
- const GLfloat fb_width = (GLfloat)fb->Width;
- const GLfloat fb_height = (GLfloat)fb->Height;
- const GLfloat x0 = (GLfloat)x;
- const GLfloat x1 = (GLfloat)(x + width);
- const GLfloat y0 = (GLfloat)y;
- const GLfloat y1 = (GLfloat)(y + height);
- 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
- * with previous data. Currently using max_slots > 1 will cause
- * synchronous rendering if the driver flushes its command buffers
- * between one bitmap and the next. Our flush hook below isn't
- * sufficient to catch this as the driver doesn't tell us when it
- * flushes its own command buffers. Until this gets fixed, pay the
- * price of allocating a new buffer for each bitmap cache-flush to
- * avoid synchronous rendering.
- */
- if (st->bitmap.vbuf_slot >= max_slots) {
- pipe_resource_reference(&st->bitmap.vbuf, NULL);
- st->bitmap.vbuf_slot = 0;
- }
-
- if (!st->bitmap.vbuf) {
- st->bitmap.vbuf = pipe_buffer_create(pipe->screen,
- PIPE_BIND_VERTEX_BUFFER,
- max_slots *
- sizeof(st->bitmap.vertices));
- }
-
- /* Positions are in clip coords since we need to do clipping in case
- * the bitmap quad goes beyond the window bounds.
- */
- st->bitmap.vertices[0][0][0] = clip_x0;
- st->bitmap.vertices[0][0][1] = clip_y0;
- st->bitmap.vertices[0][2][0] = sLeft;
- st->bitmap.vertices[0][2][1] = tTop;
-
- st->bitmap.vertices[1][0][0] = clip_x1;
- st->bitmap.vertices[1][0][1] = clip_y0;
- st->bitmap.vertices[1][2][0] = sRight;
- st->bitmap.vertices[1][2][1] = tTop;
-
- st->bitmap.vertices[2][0][0] = clip_x1;
- st->bitmap.vertices[2][0][1] = clip_y1;
- st->bitmap.vertices[2][2][0] = sRight;
- st->bitmap.vertices[2][2][1] = tBot;
-
- st->bitmap.vertices[3][0][0] = clip_x0;
- st->bitmap.vertices[3][0][1] = clip_y1;
- st->bitmap.vertices[3][2][0] = sLeft;
- st->bitmap.vertices[3][2][1] = tBot;
-
- /* same for all verts: */
- for (i = 0; i < 4; i++) {
- st->bitmap.vertices[i][0][2] = z;
- st->bitmap.vertices[i][0][3] = 1.0;
- st->bitmap.vertices[i][1][0] = color[0];
- st->bitmap.vertices[i][1][1] = color[1];
- st->bitmap.vertices[i][1][2] = color[2];
- st->bitmap.vertices[i][1][3] = color[3];
- st->bitmap.vertices[i][2][2] = 0.0; /*R*/
- st->bitmap.vertices[i][2][3] = 1.0; /*Q*/
- }
-
- /* put vertex data into vbuf */
- pipe_buffer_write_nooverlap(st->pipe,
- st->bitmap.vbuf,
- st->bitmap.vbuf_slot
- * sizeof(st->bitmap.vertices),
- sizeof st->bitmap.vertices,
- st->bitmap.vertices);
-
- return st->bitmap.vbuf_slot++ * sizeof st->bitmap.vertices;
-}
-
-
/**
- * Render a glBitmap by drawing a textured quad
+ * Setup pipeline state prior to rendering the bitmap textured quad.
*/
static void
-draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
- GLsizei width, GLsizei height,
- struct pipe_sampler_view *sv,
- const GLfloat *color)
+setup_render_state(struct gl_context *ctx,
+ struct pipe_sampler_view *sv,
+ const GLfloat *color)
{
struct st_context *st = st_context(ctx);
- struct pipe_context *pipe = st->pipe;
struct cso_context *cso = st->cso_context;
struct st_fp_variant *fpv;
struct st_fp_variant_key key;
- GLuint maxSize;
- GLuint offset;
memset(&key, 0, sizeof(key));
- key.st = st;
+ key.st = st->has_shareable_shaders ? NULL : st;
key.bitmap = GL_TRUE;
+ key.clamp_color = st->clamp_frag_color_in_shader &&
+ st->ctx->Color._ClampFragmentColor;
fpv = st_get_fp_variant(st, st->fp, &key);
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, fpv->parameters, PIPE_SHADER_FRAGMENT);
+ st_upload_constants(st, st->fp->Base.Base.Parameters,
+ PIPE_SHADER_FRAGMENT);
COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], colorSave);
}
-
- /* limit checks */
- /* XXX if the bitmap is larger than the max texture size, break
- * it up into chunks.
- */
- maxSize = 1 << (pipe->screen->get_param(pipe->screen,
- PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1);
- assert(width <= (GLsizei)maxSize);
- assert(height <= (GLsizei)maxSize);
-
cso_save_rasterizer(cso);
- cso_save_samplers(cso);
+ cso_save_fragment_samplers(cso);
cso_save_fragment_sampler_views(cso);
cso_save_viewport(cso);
cso_save_fragment_shader(cso);
+ cso_save_stream_outputs(cso);
cso_save_vertex_shader(cso);
+ cso_save_tessctrl_shader(cso);
+ cso_save_tesseval_shader(cso);
+ cso_save_geometry_shader(cso);
cso_save_vertex_elements(cso);
- cso_save_vertex_buffers(cso);
+ cso_save_aux_vertex_buffer_slot(cso);
/* rasterizer state: just scissor */
- st->bitmap.rasterizer.scissor = ctx->Scissor.Enabled;
+ st->bitmap.rasterizer.scissor = ctx->Scissor.EnableFlags & 1;
cso_set_rasterizer(cso, &st->bitmap.rasterizer);
/* fragment shader state: TEX lookup program */
/* vertex shader state: position + texcoord pass-through */
cso_set_vertex_shader_handle(cso, st->bitmap.vs);
+ /* disable other shaders */
+ cso_set_tessctrl_shader_handle(cso, NULL);
+ cso_set_tesseval_shader_handle(cso, NULL);
+ cso_set_geometry_shader_handle(cso, NULL);
+
/* user samplers, plus our bitmap sampler */
{
struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
- uint num = MAX2(fpv->bitmap_sampler + 1, st->state.num_samplers);
+ uint num = MAX2(fpv->bitmap_sampler + 1,
+ st->state.num_samplers[PIPE_SHADER_FRAGMENT]);
uint i;
- for (i = 0; i < st->state.num_samplers; i++) {
- samplers[i] = &st->state.samplers[i];
+ for (i = 0; i < st->state.num_samplers[PIPE_SHADER_FRAGMENT]; i++) {
+ samplers[i] = &st->state.samplers[PIPE_SHADER_FRAGMENT][i];
}
- samplers[fpv->bitmap_sampler] =
- &st->bitmap.samplers[sv->texture->target != PIPE_TEXTURE_RECT];
- cso_set_samplers(cso, num, (const struct pipe_sampler_state **) samplers);
+ samplers[fpv->bitmap_sampler] = &st->bitmap.sampler;
+ cso_set_samplers(cso, PIPE_SHADER_FRAGMENT, num,
+ (const struct pipe_sampler_state **) samplers);
}
/* user textures, plus the bitmap texture */
{
struct pipe_sampler_view *sampler_views[PIPE_MAX_SAMPLERS];
- uint num = MAX2(fpv->bitmap_sampler + 1, st->state.num_textures);
- memcpy(sampler_views, st->state.sampler_views, sizeof(sampler_views));
+ 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],
+ sizeof(sampler_views));
sampler_views[fpv->bitmap_sampler] = sv;
- cso_set_fragment_sampler_views(cso, num, sampler_views);
+ cso_set_sampler_views(cso, PIPE_SHADER_FRAGMENT, num, sampler_views);
}
/* viewport state: viewport matching window dims */
{
- const struct gl_framebuffer *fb = st->ctx->DrawBuffer;
- const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP);
- const GLfloat width = (GLfloat)fb->Width;
- const GLfloat height = (GLfloat)fb->Height;
+ const GLboolean invert = st->state.fb_orientation == Y_0_TOP;
+ const GLfloat width = (GLfloat)st->state.framebuffer.width;
+ const GLfloat height = (GLfloat)st->state.framebuffer.height;
struct pipe_viewport_state vp;
vp.scale[0] = 0.5f * width;
vp.scale[1] = height * (invert ? -0.5f : 0.5f);
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] = 0.5f;
- vp.translate[3] = 0.0f;
cso_set_viewport(cso, &vp);
}
cso_set_vertex_elements(cso, 3, st->velems_util_draw);
+ cso_set_stream_outputs(st->cso_context, 0, NULL, NULL);
+}
- /* 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,
- sv->texture->target != PIPE_TEXTURE_RECT,
- x, y, width, height, z, color);
-
- util_draw_vertex_buffer(pipe, st->cso_context, st->bitmap.vbuf, offset,
- PIPE_PRIM_TRIANGLE_FAN,
- 4, /* verts */
- 3); /* attribs/vert */
+/**
+ * Restore pipeline state after rendering the bitmap textured quad.
+ */
+static void
+restore_render_state(struct gl_context *ctx)
+{
+ struct st_context *st = st_context(ctx);
+ struct cso_context *cso = st->cso_context;
- /* restore state */
cso_restore_rasterizer(cso);
- cso_restore_samplers(cso);
+ cso_restore_fragment_samplers(cso);
cso_restore_fragment_sampler_views(cso);
cso_restore_viewport(cso);
cso_restore_fragment_shader(cso);
cso_restore_vertex_shader(cso);
+ cso_restore_tessctrl_shader(cso);
+ cso_restore_tesseval_shader(cso);
+ cso_restore_geometry_shader(cso);
cso_restore_vertex_elements(cso);
- cso_restore_vertex_buffers(cso);
+ cso_restore_aux_vertex_buffer_slot(cso);
+ cso_restore_stream_outputs(cso);
}
+/**
+ * Render a glBitmap by drawing a textured quad
+ */
static void
-reset_cache(struct st_context *st)
+draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
+ GLsizei width, GLsizei height,
+ struct pipe_sampler_view *sv,
+ const GLfloat *color)
{
+ struct st_context *st = st_context(ctx);
struct pipe_context *pipe = st->pipe;
+ struct pipe_resource *vbuf = NULL;
+ const float fb_width = (float) st->state.framebuffer.width;
+ const float fb_height = (float) st->state.framebuffer.height;
+ const float x0 = (float) x;
+ const float x1 = (float) (x + width);
+ const float y0 = (float) y;
+ const float y1 = (float) (y + height);
+ float sLeft = 0.0f, sRight = 1.0f;
+ float tTop = 0.0f, tBot = 1.0f - tTop;
+ const float clip_x0 = x0 / fb_width * 2.0f - 1.0f;
+ const float clip_y0 = y0 / fb_height * 2.0f - 1.0f;
+ const float clip_x1 = x1 / fb_width * 2.0f - 1.0f;
+ const float clip_y1 = y1 / fb_height * 2.0f - 1.0f;
+ float (*vertices)[3][4]; /**< vertex pos + color + texcoord */
+ unsigned offset, i;
+
+ /* limit checks */
+ {
+ /* 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);
+ assert(width <= (GLsizei) maxSize);
+ assert(height <= (GLsizei) maxSize);
+ }
+
+ setup_render_state(ctx, sv, color);
+
+ /* convert Z from [0,1] to [-1,-1] to match viewport Z scale/bias */
+ z = z * 2.0f - 1.0f;
+
+ if (sv->texture->target == PIPE_TEXTURE_RECT) {
+ /* use non-normalized texcoords */
+ sRight = (float) width;
+ tBot = (float) height;
+ }
+
+ u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]), 4,
+ &offset, &vbuf, (void **) &vertices);
+ if (!vbuf) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBitmap");
+ restore_render_state(ctx);
+ return;
+ }
+
+ /* Positions are in clip coords since we need to do clipping in case
+ * the bitmap quad goes beyond the window bounds.
+ */
+ vertices[0][0][0] = clip_x0;
+ vertices[0][0][1] = clip_y0;
+ vertices[0][2][0] = sLeft;
+ vertices[0][2][1] = tTop;
+
+ vertices[1][0][0] = clip_x1;
+ vertices[1][0][1] = clip_y0;
+ vertices[1][2][0] = sRight;
+ vertices[1][2][1] = tTop;
+
+ vertices[2][0][0] = clip_x1;
+ vertices[2][0][1] = clip_y1;
+ vertices[2][2][0] = sRight;
+ vertices[2][2][1] = tBot;
+
+ vertices[3][0][0] = clip_x0;
+ vertices[3][0][1] = clip_y1;
+ vertices[3][2][0] = sLeft;
+ vertices[3][2][1] = tBot;
+
+ /* same for all verts: */
+ for (i = 0; i < 4; i++) {
+ vertices[i][0][2] = z;
+ vertices[i][0][3] = 1.0f;
+ vertices[i][1][0] = color[0];
+ vertices[i][1][1] = color[1];
+ vertices[i][1][2] = color[2];
+ vertices[i][1][3] = color[3];
+ vertices[i][2][2] = 0.0; /*R*/
+ vertices[i][2][3] = 1.0; /*Q*/
+ }
+
+ u_upload_unmap(st->uploader);
+
+ util_draw_vertex_buffer(pipe, st->cso_context, vbuf,
+ cso_get_aux_vertex_buffer_slot(st->cso_context),
+ offset,
+ PIPE_PRIM_TRIANGLE_FAN,
+ 4, /* verts */
+ 3); /* attribs/vert */
+
+ restore_render_state(ctx);
+
+ pipe_resource_reference(&vbuf, NULL);
+
+ /* We uploaded modified constants, need to invalidate them. */
+ st->dirty.mesa |= _NEW_PROGRAM_CONSTANTS;
+}
+
+
+static void
+reset_cache(struct st_context *st)
+{
struct bitmap_cache *cache = st->bitmap.cache;
/*memset(cache->buffer, 0xff, sizeof(cache->buffer));*/
cache->ymin = 1000000;
cache->ymax = -1000000;
- if (cache->trans) {
- pipe->transfer_destroy(pipe, cache->trans);
- cache->trans = NULL;
- }
-
assert(!cache->texture);
/* allocate a new texture */
- cache->texture = st_texture_create(st, PIPE_TEXTURE_2D,
+ cache->texture = st_texture_create(st, st->internal_target,
st->bitmap.tex_format, 0,
BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT,
- 1, 1,
+ 1, 1, 0,
PIPE_BIND_SAMPLER_VIEW);
}
/* Map the texture transfer.
* Subsequent glBitmap calls will write into the texture image.
*/
- cache->trans = pipe_get_transfer(st->pipe, cache->texture, 0, 0,
- PIPE_TRANSFER_WRITE, 0, 0,
- BITMAP_CACHE_WIDTH,
- BITMAP_CACHE_HEIGHT);
- cache->buffer = pipe_transfer_map(pipe, cache->trans);
+ cache->buffer = pipe_transfer_map(pipe, cache->texture, 0, 0,
+ PIPE_TRANSFER_WRITE, 0, 0,
+ BITMAP_CACHE_WIDTH,
+ BITMAP_CACHE_HEIGHT, &cache->trans);
/* init image to all 0xff */
memset(cache->buffer, 0xff, cache->trans->stride * BITMAP_CACHE_HEIGHT);
void
st_flush_bitmap_cache(struct st_context *st)
{
- if (!st->bitmap.cache->empty) {
- struct bitmap_cache *cache = st->bitmap.cache;
+ struct bitmap_cache *cache = st->bitmap.cache;
- if (st->ctx->DrawBuffer) {
- struct pipe_context *pipe = st->pipe;
- struct pipe_sampler_view *sv;
+ if (cache && !cache->empty) {
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_sampler_view *sv;
- assert(cache->xmin <= cache->xmax);
-
-/* printf("flush size %d x %d at %d, %d\n",
+ assert(cache->xmin <= cache->xmax);
+
+ if (0)
+ printf("flush bitmap, size %d x %d at %d, %d\n",
cache->xmax - cache->xmin,
cache->ymax - cache->ymin,
cache->xpos, cache->ypos);
-*/
- /* The texture transfer has been mapped until now.
- * So unmap and release the texture transfer before drawing.
- */
- if (cache->trans) {
- if (0)
- print_cache(cache);
- pipe_transfer_unmap(pipe, cache->trans);
- cache->buffer = NULL;
-
- pipe->transfer_destroy(pipe, cache->trans);
- cache->trans = NULL;
- }
-
- 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);
- }
+ /* The texture transfer has been mapped until now.
+ * So unmap and release the texture transfer before drawing.
+ */
+ if (cache->trans && cache->buffer) {
+ if (0)
+ print_cache(cache);
+ pipe_transfer_unmap(pipe, cache->trans);
+ cache->buffer = NULL;
+ cache->trans = NULL;
+ }
+
+ 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 */
}
-/**
- * Flush bitmap cache and release vertex buffer.
- */
-void
-st_flush_bitmap( struct st_context *st )
-{
- st_flush_bitmap_cache(st);
-
- /* Release vertex buffer to avoid synchronous rendering if we were
- * to map it in the next frame.
- */
- pipe_resource_reference(&st->bitmap.vbuf, NULL);
- st->bitmap.vbuf_slot = 0;
-}
-
-
/**
* Try to accumulate this glBitmap call in the bitmap cache.
* \return GL_TRUE for success, GL_FALSE if bitmap is too large, etc.
*/
static GLboolean
-accum_bitmap(struct st_context *st,
+accum_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 bitmap_cache *cache = st->bitmap.cache;
int px = -999, py = -999;
const GLfloat z = st->ctx->Current.RasterPos[2];
/* create the transfer if needed */
create_cache_trans(st);
+ /* PBO source... */
+ bitmap = _mesa_map_pbo_source(ctx, unpack, bitmap);
+ if (!bitmap) {
+ return FALSE;
+ }
+
unpack_bitmap(st, px, py, width, height, unpack, bitmap,
cache->buffer, BITMAP_CACHE_WIDTH);
+ _mesa_unmap_pbo_source(ctx, unpack);
+
return GL_TRUE; /* accumulated */
}
+/**
+ * One-time init for drawing bitmaps.
+ */
+static void
+init_bitmap_state(struct st_context *st)
+{
+ struct pipe_context *pipe = st->pipe;
+ struct pipe_screen *screen = pipe->screen;
+
+ /* This function should only be called once */
+ assert(st->bitmap.cache == 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.wrap_t = PIPE_TEX_WRAP_CLAMP;
+ st->bitmap.sampler.wrap_r = PIPE_TEX_WRAP_CLAMP;
+ st->bitmap.sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
+ st->bitmap.sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
+ st->bitmap.sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
+ st->bitmap.sampler.normalized_coords = st->internal_target == PIPE_TEXTURE_2D;
+
+ /* init baseline rasterizer state once */
+ memset(&st->bitmap.rasterizer, 0, sizeof(st->bitmap.rasterizer));
+ st->bitmap.rasterizer.half_pixel_center = 1;
+ st->bitmap.rasterizer.bottom_edge_rule = 1;
+ st->bitmap.rasterizer.depth_clip = 1;
+
+ /* find a usable texture format */
+ if (screen->is_format_supported(screen, PIPE_FORMAT_I8_UNORM,
+ st->internal_target, 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,
+ 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,
+ PIPE_BIND_SAMPLER_VIEW)) {
+ st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM;
+ }
+ else {
+ /* XXX support more formats */
+ assert(0);
+ }
+
+ /* Create the vertex shader */
+ {
+ const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
+ TGSI_SEMANTIC_COLOR,
+ st->needs_texcoord_semantic ? TGSI_SEMANTIC_TEXCOORD :
+ TGSI_SEMANTIC_GENERIC };
+ const uint semantic_indexes[] = { 0, 0, 0 };
+ st->bitmap.vs = util_make_vertex_passthrough_shader(st->pipe, 3,
+ semantic_names,
+ semantic_indexes,
+ FALSE);
+ }
+
+ reset_cache(st);
+}
+
/**
* Called via ctx->Driver.Bitmap()
struct st_context *st = st_context(ctx);
struct pipe_resource *pt;
- if (width == 0 || height == 0)
- return;
+ assert(width > 0);
+ assert(height > 0);
- st_validate_state(st);
+ if (!st->bitmap.cache) {
+ init_bitmap_state(st);
+ }
- if (!st->bitmap.vs) {
- /* create pass-through vertex shader now */
- const uint semantic_names[] = { TGSI_SEMANTIC_POSITION,
- TGSI_SEMANTIC_COLOR,
- TGSI_SEMANTIC_GENERIC };
- const uint semantic_indexes[] = { 0, 0, 0 };
- st->bitmap.vs = util_make_vertex_passthrough_shader(st->pipe, 3,
- semantic_names,
- semantic_indexes);
+ /* 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
+ * 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 (UseBitmapCache && accum_bitmap(st, x, y, width, height, unpack, bitmap))
+ if (UseBitmapCache && accum_bitmap(ctx, x, y, width, height, unpack, bitmap))
return;
pt = make_bitmap_texture(ctx, width, height, unpack, bitmap);
}
-/** Per-context init */
-void
-st_init_bitmap(struct st_context *st)
-{
- struct pipe_sampler_state *sampler = &st->bitmap.samplers[0];
- struct pipe_context *pipe = st->pipe;
- struct pipe_screen *screen = pipe->screen;
-
- /* init sampler state once */
- memset(sampler, 0, sizeof(*sampler));
- sampler->wrap_s = PIPE_TEX_WRAP_CLAMP;
- sampler->wrap_t = PIPE_TEX_WRAP_CLAMP;
- sampler->wrap_r = PIPE_TEX_WRAP_CLAMP;
- sampler->min_img_filter = PIPE_TEX_FILTER_NEAREST;
- sampler->min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
- sampler->mag_img_filter = PIPE_TEX_FILTER_NEAREST;
- 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, 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, 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, 0,
- PIPE_BIND_SAMPLER_VIEW, 0)) {
- st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM;
- }
- else {
- /* XXX support more formats */
- assert(0);
- }
-
- /* alloc bitmap cache object */
- st->bitmap.cache = ST_CALLOC_STRUCT(bitmap_cache);
-
- reset_cache(st);
-}
-
-
/** Per-context tear-down */
void
st_destroy_bitmap(struct st_context *st)
st->bitmap.vs = NULL;
}
- if (st->bitmap.vbuf) {
- pipe_resource_reference(&st->bitmap.vbuf, NULL);
- st->bitmap.vbuf = NULL;
- }
-
if (cache) {
- if (cache->trans) {
+ if (cache->trans && cache->buffer) {
pipe_transfer_unmap(pipe, cache->trans);
- pipe->transfer_destroy(pipe, cache->trans);
}
pipe_resource_reference(&st->bitmap.cache->texture, NULL);
free(st->bitmap.cache);
st->bitmap.cache = NULL;
}
}
-
-#endif /* FEATURE_drawpix */
projects / mesa.git / blobdiff