Пример #1
0
boolean r300_draw_arrays(struct pipe_context* pipe, unsigned mode,
                         unsigned start, unsigned count)
{
    struct r300_context* r300 = r300_context(pipe);

    if (!u_trim_pipe_prim(mode, &count)) {
        return FALSE;
    }

    if (count > 65535) {
        return FALSE;
    }

    r300_update_derived_state(r300);

    if (!r300_setup_vertex_buffers(r300)) {
        return FALSE;
    }

    setup_vertex_attributes(r300);

    r300_emit_dirty_state(r300);

    r300_emit_aos(r300, start);

    r300_emit_draw_arrays(r300, mode, count);

    return TRUE;
}
Пример #2
0
/* SW TCL elements, using Draw. */
static void r300_swtcl_draw_vbo(struct pipe_context* pipe,
                                const struct pipe_draw_info *info)
{
    struct r300_context* r300 = r300_context(pipe);
    struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS];
    struct pipe_transfer *ib_transfer = NULL;
    int i;
    void *indices = NULL;
    boolean indexed = info->indexed && r300->vbuf_mgr->index_buffer.buffer;

    if (r300->skip_rendering) {
        return;
    }

    r300_update_derived_state(r300);

    r300_reserve_cs_dwords(r300,
            PREP_EMIT_STATES | PREP_EMIT_VARRAYS_SWTCL |
            (indexed ? PREP_INDEXED : 0),
            indexed ? 256 : 6);

    for (i = 0; i < r300->vbuf_mgr->nr_vertex_buffers; i++) {
        if (r300->vbuf_mgr->vertex_buffer[i].buffer) {
            void *buf = pipe_buffer_map(pipe,
                                  r300->vbuf_mgr->vertex_buffer[i].buffer,
                                  PIPE_TRANSFER_READ |
                                  PIPE_TRANSFER_UNSYNCHRONIZED,
                                  &vb_transfer[i]);
            draw_set_mapped_vertex_buffer(r300->draw, i, buf);
        }
    }

    if (indexed) {
        indices = pipe_buffer_map(pipe, r300->vbuf_mgr->index_buffer.buffer,
                                  PIPE_TRANSFER_READ |
                                  PIPE_TRANSFER_UNSYNCHRONIZED, &ib_transfer);
    }

    draw_set_mapped_index_buffer(r300->draw, indices);

    r300->draw_vbo_locked = TRUE;
    r300->draw_first_emitted = FALSE;
    draw_vbo(r300->draw, info);
    draw_flush(r300->draw);
    r300->draw_vbo_locked = FALSE;

    for (i = 0; i < r300->vbuf_mgr->nr_vertex_buffers; i++) {
        if (r300->vbuf_mgr->vertex_buffer[i].buffer) {
            pipe_buffer_unmap(pipe, vb_transfer[i]);
            draw_set_mapped_vertex_buffer(r300->draw, i, NULL);
        }
    }

    if (indexed) {
        pipe_buffer_unmap(pipe, ib_transfer);
        draw_set_mapped_index_buffer(r300->draw, NULL);
    }
}
Пример #3
0
static const struct vertex_info*
r300_render_get_vertex_info(struct vbuf_render* render)
{
    struct r300_render* r300render = r300_render(render);
    struct r300_context* r300 = r300render->r300;

    r300_update_derived_state(r300);

    return &r300->vertex_info->vinfo;
}
Пример #4
0
static void r300_draw_vbo(struct pipe_context* pipe,
                          const struct pipe_draw_info *dinfo)
{
    struct r300_context* r300 = r300_context(pipe);
    struct pipe_draw_info info = *dinfo;

    info.indexed = info.indexed;

    if (r300->skip_rendering ||
        !u_trim_pipe_prim(info.mode, &info.count)) {
        return;
    }

    r300_update_derived_state(r300);

    /* Draw. */
    if (info.indexed) {
        unsigned max_count = r300_max_vertex_count(r300);

        if (!max_count) {
           fprintf(stderr, "r300: Skipping a draw command. There is a buffer "
                   " which is too small to be used for rendering.\n");
           return;
        }

        if (max_count == ~0) {
           /* There are no per-vertex vertex elements. Use the hardware maximum. */
           max_count = 0xffffff;
        }

        info.max_index = max_count - 1;
        info.start += r300->index_buffer.offset / r300->index_buffer.index_size;

        if (info.instance_count <= 1) {
            if (info.count <= 8 &&
                r300->index_buffer.user_buffer) {
                r300_draw_elements_immediate(r300, &info);
            } else {
                r300_draw_elements(r300, &info, -1);
            }
        } else {
            r300_draw_elements_instanced(r300, &info);
        }
    } else {
        if (info.instance_count <= 1) {
            if (immd_is_good_idea(r300, info.count)) {
                r300_draw_arrays_immediate(r300, &info);
            } else {
                r300_draw_arrays(r300, &info, -1);
            }
        } else {
            r300_draw_arrays_instanced(r300, &info);
        }
    }
}
Пример #5
0
/* SW TCL elements, using Draw. */
static void r300_swtcl_draw_vbo(struct pipe_context* pipe,
                                const struct pipe_draw_info *info)
{
    struct r300_context* r300 = r300_context(pipe);

    if (r300->skip_rendering) {
        return;
    }

    r300_update_derived_state(r300);

    draw_vbo(r300->draw, info);
    draw_flush(r300->draw);
}
Пример #6
0
/* This is the fast-path drawing & emission for HW TCL. */
boolean r300_draw_range_elements(struct pipe_context* pipe,
                                 struct pipe_buffer* indexBuffer,
                                 unsigned indexSize,
                                 unsigned minIndex,
                                 unsigned maxIndex,
                                 unsigned mode,
                                 unsigned start,
                                 unsigned count)
{
    struct r300_context* r300 = r300_context(pipe);

    if (!u_trim_pipe_prim(mode, &count)) {
        return FALSE;
    }

    if (count > 65535) {
        return FALSE;
    }

    r300_update_derived_state(r300);

    if (!r300_setup_vertex_buffers(r300)) {
        return FALSE;
    }

    setup_vertex_attributes(r300);

    setup_index_buffer(r300, indexBuffer, indexSize);

    r300_emit_dirty_state(r300);

    r300_emit_aos(r300, 0);

    r300_emit_draw_elements(r300, indexBuffer, indexSize, minIndex, maxIndex,
                            mode, start, count);

    return TRUE;
}
Пример #7
0
/* This functions is used to draw a rectangle for the blitter module.
 *
 * If we rendered a quad, the pixels on the main diagonal
 * would be computed and stored twice, which makes the clear/copy codepaths
 * somewhat inefficient. Instead we use a rectangular point sprite. */
void r300_blitter_draw_rectangle(struct blitter_context *blitter,
                                 int x1, int y1, int x2, int y2,
                                 float depth,
                                 enum blitter_attrib_type type,
                                 const union pipe_color_union *attrib)
{
    struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter));
    unsigned last_sprite_coord_enable = r300->sprite_coord_enable;
    unsigned width = x2 - x1;
    unsigned height = y2 - y1;
    unsigned vertex_size =
            type == UTIL_BLITTER_ATTRIB_COLOR || !r300->draw ? 8 : 4;
    unsigned dwords = 13 + vertex_size +
                      (type == UTIL_BLITTER_ATTRIB_TEXCOORD ? 7 : 0);
    static const union pipe_color_union zeros;
    CS_LOCALS(r300);

    /* XXX workaround for a lockup in MSAA resolve on SWTCL chipsets, this
     * function most probably doesn't handle type=NONE correctly */
    if (!r300->screen->caps.has_tcl && type == UTIL_BLITTER_ATTRIB_NONE) {
        util_blitter_draw_rectangle(blitter, x1, y1, x2, y2, depth, type, attrib);
        return;
    }

    if (r300->skip_rendering)
        return;

    if (type == UTIL_BLITTER_ATTRIB_TEXCOORD)
        r300->sprite_coord_enable = 1;

    r300_update_derived_state(r300);

    /* Mark some states we don't care about as non-dirty. */
    r300->viewport_state.dirty = FALSE;

    if (!r300_prepare_for_rendering(r300, PREP_EMIT_STATES, NULL, dwords, 0, 0, -1))
        goto done;

    DBG(r300, DBG_DRAW, "r300: draw_rectangle\n");

    BEGIN_CS(dwords);
    /* Set up GA. */
    OUT_CS_REG(R300_GA_POINT_SIZE, (height * 6) | ((width * 6) << 16));

    if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) {
        /* Set up the GA to generate texcoords. */
        OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE |
                   (R300_GB_TEX_STR << R300_GB_TEX0_SOURCE_SHIFT));
        OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4);
        OUT_CS_32F(attrib->f[0]);
        OUT_CS_32F(attrib->f[3]);
        OUT_CS_32F(attrib->f[2]);
        OUT_CS_32F(attrib->f[1]);
    }

    /* Set up VAP controls. */
    OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE);
    OUT_CS_REG(R300_VAP_VTE_CNTL, R300_VTX_XY_FMT | R300_VTX_Z_FMT);
    OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size);
    OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2);
    OUT_CS(1);
    OUT_CS(0);

    /* Draw. */
    OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, vertex_size);
    OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (1 << 16) |
           R300_VAP_VF_CNTL__PRIM_POINTS);

    OUT_CS_32F(x1 + width * 0.5f);
    OUT_CS_32F(y1 + height * 0.5f);
    OUT_CS_32F(depth);
    OUT_CS_32F(1);

    if (vertex_size == 8) {
        if (!attrib)
            attrib = &zeros;
        OUT_CS_TABLE(attrib->f, 4);
    }
    END_CS;

done:
    /* Restore the state. */
    r300_mark_atom_dirty(r300, &r300->rs_state);
    r300_mark_atom_dirty(r300, &r300->viewport_state);

    r300->sprite_coord_enable = last_sprite_coord_enable;
}
Пример #8
0
static void r300_draw_vbo(struct pipe_context* pipe,
                          const struct pipe_draw_info *dinfo)
{
    struct r300_context* r300 = r300_context(pipe);
    struct pipe_draw_info info = *dinfo;

    info.indexed = info.indexed && r300->vbuf_mgr->index_buffer.buffer;

    if (r300->skip_rendering ||
        !u_trim_pipe_prim(info.mode, &info.count)) {
        return;
    }

    r300_update_derived_state(r300);

    /* Start the vbuf manager and update buffers if needed. */
    if (u_vbuf_draw_begin(r300->vbuf_mgr, &info) & U_VBUF_BUFFERS_UPDATED) {
        r300->vertex_arrays_dirty = TRUE;
    }

    /* Draw. */
    if (info.indexed) {
        unsigned max_count = u_vbuf_draw_max_vertex_count(r300->vbuf_mgr);

        if (!max_count) {
           fprintf(stderr, "r300: Skipping a draw command. There is a buffer "
                   " which is too small to be used for rendering.\n");
           goto done;
        }

        if (max_count == ~0) {
           /* There are no per-vertex vertex elements. Use the hardware maximum. */
           max_count = 0xffffff;
        }

        info.max_index = max_count - 1;
        info.start += r300->vbuf_mgr->index_buffer.offset / r300->vbuf_mgr->index_buffer.index_size;

        if (info.instance_count <= 1) {
            if (info.count <= 8 &&
                r300_resource(r300->vbuf_mgr->index_buffer.buffer)->b.user_ptr) {
                r300_draw_elements_immediate(r300, &info);
            } else {
                r300_draw_elements(r300, &info, -1);
            }
        } else {
            r300_draw_elements_instanced(r300, &info);
        }
    } else {
        if (info.instance_count <= 1) {
            if (immd_is_good_idea(r300, info.count)) {
                r300_draw_arrays_immediate(r300, &info);
            } else {
                r300_draw_arrays(r300, &info, -1);
            }
        } else {
            r300_draw_arrays_instanced(r300, &info);
        }
    }

done:
    u_vbuf_draw_end(r300->vbuf_mgr);
}
Пример #9
0
/* SW TCL elements, using Draw. */
static void r300_swtcl_draw_vbo(struct pipe_context* pipe,
                                const struct pipe_draw_info *info)
{
    struct r300_context* r300 = r300_context(pipe);
    struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS];
    struct pipe_transfer *ib_transfer = NULL;
    unsigned count = info->count;
    int i;
    void *indices = NULL;
    boolean indexed = info->indexed && r300->index_buffer.buffer;

    if (r300->skip_rendering) {
        return;
    }

    if (!u_trim_pipe_prim(info->mode, &count)) {
        return;
    }

    r300_update_derived_state(r300);

    r300_reserve_cs_dwords(r300,
            PREP_FIRST_DRAW | PREP_EMIT_AOS_SWTCL |
            (indexed ? PREP_INDEXED : 0),
            indexed ? 256 : 6);

    for (i = 0; i < r300->vertex_buffer_count; i++) {
        if (r300->vertex_buffer[i].buffer) {
            void *buf = pipe_buffer_map(pipe,
                                  r300->vertex_buffer[i].buffer,
                                  PIPE_TRANSFER_READ,
                                  &vb_transfer[i]);
            draw_set_mapped_vertex_buffer(r300->draw, i, buf);
        }
    }

    if (indexed) {
        indices = pipe_buffer_map(pipe, r300->index_buffer.buffer,
                                  PIPE_TRANSFER_READ, &ib_transfer);
    }

    draw_set_mapped_index_buffer(r300->draw, indices);

    r300->draw_vbo_locked = TRUE;
    r300->draw_first_emitted = FALSE;
    draw_vbo(r300->draw, info);
    draw_flush(r300->draw);
    r300->draw_vbo_locked = FALSE;

    for (i = 0; i < r300->vertex_buffer_count; i++) {
        if (r300->vertex_buffer[i].buffer) {
            pipe_buffer_unmap(pipe, r300->vertex_buffer[i].buffer,
                              vb_transfer[i]);
            draw_set_mapped_vertex_buffer(r300->draw, i, NULL);
        }
    }

    if (indexed) {
        pipe_buffer_unmap(pipe, r300->index_buffer.buffer, ib_transfer);
        draw_set_mapped_index_buffer(r300->draw, NULL);
    }
}
Пример #10
0
static void r300_draw_arrays(struct pipe_context* pipe, unsigned mode,
                             unsigned start, unsigned count)
{
    struct r300_context* r300 = r300_context(pipe);
    boolean alt_num_verts = r300->screen->caps.is_r500 &&
                            count > 65536 &&
                            r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0);
    unsigned short_count;
    boolean translate = FALSE;

    if (r300->skip_rendering) {
        return;
    }

    if (!u_trim_pipe_prim(mode, &count)) {
        return;
    }

    /* Set up fallback for incompatible vertex layout if needed. */
    if (r300->incompatible_vb_layout || r300->velems->incompatible_layout) {
        r300_begin_vertex_translate(r300);
        translate = TRUE;
    }

    r300_update_derived_state(r300);

    if (immd_is_good_idea(r300, count)) {
        r300_emit_draw_arrays_immediate(r300, mode, start, count);
    } else {
        /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */
        if (!r300_prepare_for_rendering(r300,
                PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS,
                NULL, 9, start, 0))
            goto done;

        if (alt_num_verts || count <= 65535) {
            r300_emit_draw_arrays(r300, mode, count);
        } else {
            do {
                short_count = MIN2(count, 65535);
                r300_emit_draw_arrays(r300, mode, short_count);

                start += short_count;
                count -= short_count;

                /* 9 spare dwords for emit_draw_arrays. Give up if the function fails. */
                if (count) {
                    if (!r300_prepare_for_rendering(r300,
                            PREP_VALIDATE_VBOS | PREP_EMIT_AOS, NULL, 9,
                            start, 0))
                        goto done;
                }
            } while (count);
        }
    }

done:
    if (translate) {
        r300_end_vertex_translate(r300);
    }
}
Пример #11
0
/* This is the fast-path drawing & emission for HW TCL. */
static void r300_draw_range_elements(struct pipe_context* pipe,
                                     struct pipe_resource* indexBuffer,
                                     unsigned indexSize,
                                     int indexBias,
                                     unsigned minIndex,
                                     unsigned maxIndex,
                                     unsigned mode,
                                     unsigned start,
                                     unsigned count)
{
    struct r300_context* r300 = r300_context(pipe);
    struct pipe_resource* orgIndexBuffer = indexBuffer;
    boolean alt_num_verts = r300->screen->caps.is_r500 &&
                            count > 65536 &&
                            r300->rws->get_value(r300->rws, R300_VID_DRM_2_3_0);
    unsigned short_count;
    int buffer_offset = 0, index_offset = 0; /* for index bias emulation */
    boolean translate = FALSE;
    unsigned new_offset;

    if (r300->skip_rendering) {
        return;
    }

    if (!u_trim_pipe_prim(mode, &count)) {
        return;
    }

    /* Index buffer range checking. */
    if ((start + count) * indexSize > indexBuffer->width0) {
        fprintf(stderr, "r300: Invalid index buffer range. Skipping rendering.\n");
        return;
    }

    /* Set up fallback for incompatible vertex layout if needed. */
    if (r300->incompatible_vb_layout || r300->velems->incompatible_layout) {
        r300_begin_vertex_translate(r300);
        translate = TRUE;
    }

    if (indexBias && !r500_index_bias_supported(r300)) {
        r300_split_index_bias(r300, indexBias, &buffer_offset, &index_offset);
    }

    r300_translate_index_buffer(r300, &indexBuffer, &indexSize, index_offset,
                                &start, count);

    r300_update_derived_state(r300);
    r300_upload_index_buffer(r300, &indexBuffer, indexSize, start, count, &new_offset);

    start = new_offset;

    /* 15 dwords for emit_draw_elements. Give up if the function fails. */
    if (!r300_prepare_for_rendering(r300,
            PREP_FIRST_DRAW | PREP_VALIDATE_VBOS | PREP_EMIT_AOS |
            PREP_INDEXED, indexBuffer, 15, buffer_offset, indexBias))
        goto done;

    if (alt_num_verts || count <= 65535) {
        r300_emit_draw_elements(r300, indexBuffer, indexSize,
				minIndex, maxIndex, mode, start, count);
    } else {
        do {
            short_count = MIN2(count, 65534);
            r300_emit_draw_elements(r300, indexBuffer, indexSize,
                                     minIndex, maxIndex,
                                     mode, start, short_count);

            start += short_count;
            count -= short_count;

            /* 15 dwords for emit_draw_elements */
            if (count) {
                if (!r300_prepare_for_rendering(r300,
                        PREP_VALIDATE_VBOS | PREP_EMIT_AOS | PREP_INDEXED,
                        indexBuffer, 15, buffer_offset, indexBias))
                    goto done;
            }
        } while (count);
    }

done:
    if (indexBuffer != orgIndexBuffer) {
        pipe_resource_reference( &indexBuffer, NULL );
    }

    if (translate) {
        r300_end_vertex_translate(r300);
    }
}
Пример #12
0
/* This functions is used to draw a rectangle for the blitter module.
 *
 * If we rendered a quad, the pixels on the main diagonal
 * would be computed and stored twice, which makes the clear/copy codepaths
 * somewhat inefficient. Instead we use a rectangular point sprite. */
static void r300_blitter_draw_rectangle(struct blitter_context *blitter,
                                        unsigned x1, unsigned y1,
                                        unsigned x2, unsigned y2,
                                        float depth,
                                        enum blitter_attrib_type type,
                                        const float attrib[4])
{
    struct r300_context *r300 = r300_context(util_blitter_get_pipe(blitter));
    unsigned last_sprite_coord_enable = r300->sprite_coord_enable;
    unsigned width = x2 - x1;
    unsigned height = y2 - y1;
    unsigned vertex_size =
            type == UTIL_BLITTER_ATTRIB_COLOR || !r300->draw ? 8 : 4;
    unsigned dwords = 13 + vertex_size +
                      (type == UTIL_BLITTER_ATTRIB_TEXCOORD ? 7 : 0);
    const float zeros[4] = {0, 0, 0, 0};
    CS_LOCALS(r300);

    if (type == UTIL_BLITTER_ATTRIB_TEXCOORD)
        r300->sprite_coord_enable = 1;

    r300_update_derived_state(r300);

    /* Mark some states we don't care about as non-dirty. */
    r300->clip_state.dirty = FALSE;
    r300->viewport_state.dirty = FALSE;

    if (!r300_prepare_for_rendering(r300, PREP_FIRST_DRAW, NULL, dwords, 0, 0))
        goto done;

    DBG(r300, DBG_DRAW, "r300: draw_rectangle\n");

    BEGIN_CS(dwords);
    /* Set up GA. */
    OUT_CS_REG(R300_GA_POINT_SIZE, (height * 6) | ((width * 6) << 16));

    if (type == UTIL_BLITTER_ATTRIB_TEXCOORD) {
        /* Set up the GA to generate texcoords. */
        OUT_CS_REG(R300_GB_ENABLE, R300_GB_POINT_STUFF_ENABLE |
                   (R300_GB_TEX_STR << R300_GB_TEX0_SOURCE_SHIFT));
        OUT_CS_REG_SEQ(R300_GA_POINT_S0, 4);
        OUT_CS_32F(attrib[0]);
        OUT_CS_32F(attrib[3]);
        OUT_CS_32F(attrib[2]);
        OUT_CS_32F(attrib[1]);
    }

    /* Set up VAP controls. */
    OUT_CS_REG(R300_VAP_CLIP_CNTL, R300_CLIP_DISABLE);
    OUT_CS_REG(R300_VAP_VTE_CNTL, R300_VTX_XY_FMT | R300_VTX_Z_FMT);
    OUT_CS_REG(R300_VAP_VTX_SIZE, vertex_size);
    OUT_CS_REG_SEQ(R300_VAP_VF_MAX_VTX_INDX, 2);
    OUT_CS(1);
    OUT_CS(0);

    /* Draw. */
    OUT_CS_PKT3(R300_PACKET3_3D_DRAW_IMMD_2, vertex_size);
    OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_VERTEX_EMBEDDED | (1 << 16) |
           R300_VAP_VF_CNTL__PRIM_POINTS);

    OUT_CS_32F(x1 + width * 0.5f);
    OUT_CS_32F(y1 + height * 0.5f);
    OUT_CS_32F(depth);
    OUT_CS_32F(1);

    if (vertex_size == 8) {
        if (!attrib)
            attrib = zeros;
        OUT_CS_TABLE(attrib, 4);
    }
    END_CS;

done:
    /* Restore the state. */
    r300->clip_state.dirty = TRUE;
    r300->rs_state.dirty = TRUE;
    r300->viewport_state.dirty = TRUE;

    r300->sprite_coord_enable = last_sprite_coord_enable;
}