-/*
- * WINED3D draw functions
- *
- * Copyright 2002-2004 Jason Edmeades
- * Copyright 2002-2004 Raphael Junqueira
- * Copyright 2004 Christian Costa
- * Copyright 2005 Oliver Stieber
- * Copyright 2006, 2008 Henri Verbeet
- * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
- * Copyright 2009 Henri Verbeet for CodeWeavers
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-#include "wined3d_private.h"
-
-WINE_DEFAULT_DEBUG_CHANNEL(d3d_draw);
-WINE_DECLARE_DEBUG_CHANNEL(d3d_perf);
-WINE_DECLARE_DEBUG_CHANNEL(d3d);
-
-/* Context activation is done by the caller. */
-static void draw_primitive_arrays(struct wined3d_context *context, const struct wined3d_state *state,
- const void *idx_data, unsigned int idx_size, int base_vertex_idx, unsigned int start_idx,
- unsigned int count, unsigned int start_instance, unsigned int instance_count)
-{
- const struct wined3d_ffp_attrib_ops *ops = &context->d3d_info->ffp_attrib_ops;
- GLenum idx_type = idx_size == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT;
- const struct wined3d_stream_info *si = &context->stream_info;
- unsigned int instanced_elements[ARRAY_SIZE(si->elements)];
- const struct wined3d_gl_info *gl_info = context->gl_info;
- unsigned int instanced_element_count = 0;
- unsigned int i, j;
-
- if (!instance_count)
- {
- if (!idx_size)
- {
- gl_info->gl_ops.gl.p_glDrawArrays(state->gl_primitive_type, start_idx, count);
- checkGLcall("glDrawArrays");
- return;
- }
-
- if (gl_info->supported[ARB_DRAW_ELEMENTS_BASE_VERTEX])
- {
- GL_EXTCALL(glDrawElementsBaseVertex(state->gl_primitive_type, count, idx_type,
- (const char *)idx_data + (idx_size * start_idx), base_vertex_idx));
- checkGLcall("glDrawElementsBaseVertex");
- return;
- }
-
- gl_info->gl_ops.gl.p_glDrawElements(state->gl_primitive_type, count,
- idx_type, (const char *)idx_data + (idx_size * start_idx));
- checkGLcall("glDrawElements");
- return;
- }
-
- if (start_instance && !(gl_info->supported[ARB_BASE_INSTANCE] && gl_info->supported[ARB_INSTANCED_ARRAYS]))
- FIXME("Start instance (%u) not supported.\n", start_instance);
-
- if (gl_info->supported[ARB_INSTANCED_ARRAYS])
- {
- if (!idx_size)
- {
- if (gl_info->supported[ARB_BASE_INSTANCE])
- {
- GL_EXTCALL(glDrawArraysInstancedBaseInstance(state->gl_primitive_type, start_idx, count, instance_count, start_instance));
- checkGLcall("glDrawArraysInstancedBaseInstance");
- return;
- }
-
- GL_EXTCALL(glDrawArraysInstanced(state->gl_primitive_type, start_idx, count, instance_count));
- checkGLcall("glDrawArraysInstanced");
- return;
- }
-
- if (gl_info->supported[ARB_BASE_INSTANCE])
- {
- GL_EXTCALL(glDrawElementsInstancedBaseVertexBaseInstance(state->gl_primitive_type, count, idx_type,
- (const char *)idx_data + (idx_size * start_idx), instance_count, base_vertex_idx, start_instance));
- checkGLcall("glDrawElementsInstancedBaseVertexBaseInstance");
- return;
- }
- if (gl_info->supported[ARB_DRAW_ELEMENTS_BASE_VERTEX])
- {
- GL_EXTCALL(glDrawElementsInstancedBaseVertex(state->gl_primitive_type, count, idx_type,
- (const char *)idx_data + (idx_size * start_idx), instance_count, base_vertex_idx));
- checkGLcall("glDrawElementsInstancedBaseVertex");
- return;
- }
-
- GL_EXTCALL(glDrawElementsInstanced(state->gl_primitive_type, count, idx_type,
- (const char *)idx_data + (idx_size * start_idx), instance_count));
- checkGLcall("glDrawElementsInstanced");
- return;
- }
-
- /* Instancing emulation by mixing immediate mode and arrays. */
-
- /* This is a nasty thing. MSDN says no hardware supports this and
- * applications have to use software vertex processing. We don't support
- * this for now.
- *
- * Shouldn't be too hard to support with OpenGL, in theory just call
- * glDrawArrays() instead of drawElements(). But the stream fequency value
- * has a different meaning in that situation. */
- if (!idx_size)
- {
- FIXME("Non-indexed instanced drawing is not supported\n");
- return;
- }
-
- for (i = 0; i < ARRAY_SIZE(si->elements); ++i)
- {
- if (!(si->use_map & (1u << i)))
- continue;
-
- if (state->streams[si->elements[i].stream_idx].flags & WINED3DSTREAMSOURCE_INSTANCEDATA)
- instanced_elements[instanced_element_count++] = i;
- }
-
- for (i = 0; i < instance_count; ++i)
- {
- /* Specify the instanced attributes using immediate mode calls. */
- for (j = 0; j < instanced_element_count; ++j)
- {
- const struct wined3d_stream_info_element *element;
- unsigned int element_idx;
- const BYTE *ptr;
-
- element_idx = instanced_elements[j];
- element = &si->elements[element_idx];
- ptr = element->data.addr + element->stride * i;
- if (element->data.buffer_object)
- ptr += (ULONG_PTR)wined3d_buffer_load_sysmem(state->streams[element->stream_idx].buffer, context);
- ops->generic[element->format->emit_idx](element_idx, ptr);
- }
-
- if (gl_info->supported[ARB_DRAW_ELEMENTS_BASE_VERTEX])
- {
- GL_EXTCALL(glDrawElementsBaseVertex(state->gl_primitive_type, count, idx_type,
- (const char *)idx_data + (idx_size * start_idx), base_vertex_idx));
- checkGLcall("glDrawElementsBaseVertex");
- }
- else
- {
- gl_info->gl_ops.gl.p_glDrawElements(state->gl_primitive_type, count, idx_type,
- (const char *)idx_data + (idx_size * start_idx));
- checkGLcall("glDrawElements");
- }
- }
-}
-
-static unsigned int get_stride_idx(const void *idx_data, unsigned int idx_size,
- unsigned int base_vertex_idx, unsigned int start_idx, unsigned int vertex_idx)
-{
- if (!idx_data)
- return start_idx + vertex_idx;
- if (idx_size == 2)
- return ((const WORD *)idx_data)[start_idx + vertex_idx] + base_vertex_idx;
- return ((const DWORD *)idx_data)[start_idx + vertex_idx] + base_vertex_idx;
-}
-
-/* Context activation is done by the caller. */
-static void draw_primitive_immediate_mode(struct wined3d_context *context, const struct wined3d_state *state,
- const struct wined3d_stream_info *si, const void *idx_data, unsigned int idx_size,
- int base_vertex_idx, unsigned int start_idx, unsigned int vertex_count, unsigned int instance_count)
-{
- const BYTE *position = NULL, *normal = NULL, *diffuse = NULL, *specular = NULL;
- const struct wined3d_d3d_info *d3d_info = context->d3d_info;
- unsigned int coord_idx, stride_idx, texture_idx, vertex_idx;
- const struct wined3d_gl_info *gl_info = context->gl_info;
- const struct wined3d_stream_info_element *element;
- const BYTE *tex_coords[WINED3DDP_MAXTEXCOORD];
- unsigned int texture_unit, texture_stages;
- const struct wined3d_ffp_attrib_ops *ops;
- unsigned int untracked_material_count;
- unsigned int tex_mask = 0;
- BOOL specular_fog = FALSE;
- BOOL ps = use_ps(state);
- const void *ptr;
-
- static unsigned int once;
-
- if (!once++)
- FIXME_(d3d_perf)("Drawing using immediate mode.\n");
- else
- WARN_(d3d_perf)("Drawing using immediate mode.\n");
-
- if (!idx_size && idx_data)
- ERR("Non-NULL idx_data with 0 idx_size, this should never happen.\n");
-
- if (instance_count)
- FIXME("Instancing not implemented.\n");
-
- /* Immediate mode drawing can't make use of indices in a VBO - get the
- * data from the index buffer. */
- if (idx_size)
- idx_data = wined3d_buffer_load_sysmem(state->index_buffer, context) + state->index_offset;
-
- ops = &d3d_info->ffp_attrib_ops;
-
- gl_info->gl_ops.gl.p_glBegin(state->gl_primitive_type);
-
- if (use_vs(state) || d3d_info->ffp_generic_attributes)
- {
- for (vertex_idx = 0; vertex_idx < vertex_count; ++vertex_idx)
- {
- unsigned int use_map = si->use_map;
- unsigned int element_idx;
-
- stride_idx = get_stride_idx(idx_data, idx_size, base_vertex_idx, start_idx, vertex_idx);
- for (element_idx = MAX_ATTRIBS - 1; use_map; use_map &= ~(1u << element_idx), --element_idx)
- {
- if (!(use_map & 1u << element_idx))
- continue;
-
- ptr = si->elements[element_idx].data.addr + si->elements[element_idx].stride * stride_idx;
- ops->generic[si->elements[element_idx].format->emit_idx](element_idx, ptr);
- }
- }
-
- gl_info->gl_ops.gl.p_glEnd();
- return;
- }
-
- if (si->use_map & (1u << WINED3D_FFP_POSITION))
- position = si->elements[WINED3D_FFP_POSITION].data.addr;
-
- if (si->use_map & (1u << WINED3D_FFP_NORMAL))
- normal = si->elements[WINED3D_FFP_NORMAL].data.addr;
- else
- gl_info->gl_ops.gl.p_glNormal3f(0.0f, 0.0f, 0.0f);
-
- untracked_material_count = context->num_untracked_materials;
- if (si->use_map & (1u << WINED3D_FFP_DIFFUSE))
- {
- element = &si->elements[WINED3D_FFP_DIFFUSE];
- diffuse = element->data.addr;
-
- if (untracked_material_count && element->format->id != WINED3DFMT_B8G8R8A8_UNORM)
- FIXME("Implement diffuse color tracking from %s.\n", debug_d3dformat(element->format->id));
- }
- else
- {
- gl_info->gl_ops.gl.p_glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
- }
-
- if (si->use_map & (1u << WINED3D_FFP_SPECULAR))
- {
- element = &si->elements[WINED3D_FFP_SPECULAR];
- specular = element->data.addr;
-
- /* Special case where the fog density is stored in the specular alpha channel. */
- if (state->render_states[WINED3D_RS_FOGENABLE]
- && (state->render_states[WINED3D_RS_FOGVERTEXMODE] == WINED3D_FOG_NONE
- || si->elements[WINED3D_FFP_POSITION].format->id == WINED3DFMT_R32G32B32A32_FLOAT)
- && state->render_states[WINED3D_RS_FOGTABLEMODE] == WINED3D_FOG_NONE)
- {
- if (gl_info->supported[EXT_FOG_COORD])
- {
- if (element->format->id == WINED3DFMT_B8G8R8A8_UNORM)
- specular_fog = TRUE;
- else
- FIXME("Implement fog coordinates from %s.\n", debug_d3dformat(element->format->id));
- }
- else
- {
- static unsigned int once;
-
- if (!once++)
- FIXME("Implement fog for transformed vertices in software.\n");
- }
- }
- }
- else if (gl_info->supported[EXT_SECONDARY_COLOR])
- {
- GL_EXTCALL(glSecondaryColor3fEXT)(0.0f, 0.0f, 0.0f);
- }
-
- texture_stages = d3d_info->limits.ffp_blend_stages;
- for (texture_idx = 0; texture_idx < texture_stages; ++texture_idx)
- {
- if (!gl_info->supported[ARB_MULTITEXTURE] && texture_idx > 0)
- {
- FIXME("Program using multiple concurrent textures which this OpenGL implementation doesn't support.\n");
- continue;
- }
-
- if (!ps && !state->textures[texture_idx])
- continue;
-
- texture_unit = context->tex_unit_map[texture_idx];
- if (texture_unit == WINED3D_UNMAPPED_STAGE)
- continue;
-
- coord_idx = state->texture_states[texture_idx][WINED3D_TSS_TEXCOORD_INDEX];
- if (coord_idx > 7)
- {
- TRACE("Skipping generated coordinates (%#x) for texture %u.\n", coord_idx, texture_idx);
- continue;
- }
-
- if (si->use_map & (1u << (WINED3D_FFP_TEXCOORD0 + coord_idx)))
- {
- tex_coords[coord_idx] = si->elements[WINED3D_FFP_TEXCOORD0 + coord_idx].data.addr;
- tex_mask |= (1u << texture_idx);
- }
- else
- {
- TRACE("Setting default coordinates for texture %u.\n", texture_idx);
- if (gl_info->supported[ARB_MULTITEXTURE])
- GL_EXTCALL(glMultiTexCoord4fARB(GL_TEXTURE0_ARB + texture_unit, 0.0f, 0.0f, 0.0f, 1.0f));
- else
- gl_info->gl_ops.gl.p_glTexCoord4f(0.0f, 0.0f, 0.0f, 1.0f);
- }
- }
-
- /* Blending data and point sizes are not supported by this function. They
- * are not supported by the fixed function pipeline at all. A FIXME for
- * them is printed after decoding the vertex declaration. */
- for (vertex_idx = 0; vertex_idx < vertex_count; ++vertex_idx)
- {
- unsigned int tmp_tex_mask;
-
- stride_idx = get_stride_idx(idx_data, idx_size, base_vertex_idx, start_idx, vertex_idx);
-
- if (normal)
- {
- ptr = normal + stride_idx * si->elements[WINED3D_FFP_NORMAL].stride;
- ops->normal[si->elements[WINED3D_FFP_NORMAL].format->emit_idx](ptr);
- }
-
- if (diffuse)
- {
- ptr = diffuse + stride_idx * si->elements[WINED3D_FFP_DIFFUSE].stride;
- ops->diffuse[si->elements[WINED3D_FFP_DIFFUSE].format->emit_idx](ptr);
-
- if (untracked_material_count)
- {
- struct wined3d_color color;
- unsigned int i;
-
- wined3d_color_from_d3dcolor(&color, *(const DWORD *)ptr);
- for (i = 0; i < untracked_material_count; ++i)
- {
- gl_info->gl_ops.gl.p_glMaterialfv(GL_FRONT_AND_BACK, context->untracked_materials[i], &color.r);
- }
- }
- }
-
- if (specular)
- {
- ptr = specular + stride_idx * si->elements[WINED3D_FFP_SPECULAR].stride;
- ops->specular[si->elements[WINED3D_FFP_SPECULAR].format->emit_idx](ptr);
-
- if (specular_fog)
- GL_EXTCALL(glFogCoordfEXT((float)(*(const DWORD *)ptr >> 24)));
- }
-
- tmp_tex_mask = tex_mask;
- for (texture_idx = 0; tmp_tex_mask; tmp_tex_mask >>= 1, ++texture_idx)
- {
- if (!(tmp_tex_mask & 1))
- continue;
-
- coord_idx = state->texture_states[texture_idx][WINED3D_TSS_TEXCOORD_INDEX];
- ptr = tex_coords[coord_idx] + (stride_idx * si->elements[WINED3D_FFP_TEXCOORD0 + coord_idx].stride);
- ops->texcoord[si->elements[WINED3D_FFP_TEXCOORD0 + coord_idx].format->emit_idx](
- GL_TEXTURE0_ARB + context->tex_unit_map[texture_idx], ptr);
- }
-
- if (position)
- {
- ptr = position + stride_idx * si->elements[WINED3D_FFP_POSITION].stride;
- ops->position[si->elements[WINED3D_FFP_POSITION].format->emit_idx](ptr);
- }
- }
-
- gl_info->gl_ops.gl.p_glEnd();
- checkGLcall("glEnd and previous calls");
-}
-
-static void draw_indirect(struct wined3d_context *context, const struct wined3d_state *state,
- const struct wined3d_indirect_draw_parameters *parameters, unsigned int idx_size)
-{
- const struct wined3d_gl_info *gl_info = context->gl_info;
- struct wined3d_buffer *buffer = parameters->buffer;
-
- if (!gl_info->supported[ARB_DRAW_INDIRECT])
- {
- FIXME("OpenGL implementation does not support indirect draws.\n");
- return;
- }
-
- GL_EXTCALL(glBindBuffer(GL_DRAW_INDIRECT_BUFFER, buffer->buffer_object));
-
- if (idx_size)
- {
- GLenum idx_type = idx_size == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT;
- if (state->index_offset)
- FIXME("Ignoring index offset %u.\n", state->index_offset);
- GL_EXTCALL(glDrawElementsIndirect(state->gl_primitive_type, idx_type,
- (void *)(GLintptr)parameters->offset));
- }
- else
- {
- GL_EXTCALL(glDrawArraysIndirect(state->gl_primitive_type,
- (void *)(GLintptr)parameters->offset));
- }
-
- GL_EXTCALL(glBindBuffer(GL_DRAW_INDIRECT_BUFFER, 0));
-
- checkGLcall("draw indirect");
-}
-
-static void remove_vbos(struct wined3d_context *context,
- const struct wined3d_state *state, struct wined3d_stream_info *s)
-{
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(s->elements); ++i)
- {
- struct wined3d_stream_info_element *e;
-
- if (!(s->use_map & (1u << i)))
- continue;
-
- e = &s->elements[i];
- if (e->data.buffer_object)
- {
- struct wined3d_buffer *vb = state->streams[e->stream_idx].buffer;
- e->data.buffer_object = 0;
- e->data.addr += (ULONG_PTR)wined3d_buffer_load_sysmem(vb, context);
- }
- }
-}
-
-static BOOL use_transform_feedback(const struct wined3d_state *state)
-{
- const struct wined3d_shader *shader;
- if (!(shader = state->shader[WINED3D_SHADER_TYPE_GEOMETRY]))
- return FALSE;
- return shader->u.gs.so_desc.element_count;
-}
-
-static void context_pause_transform_feedback(struct wined3d_context *context, BOOL force)
-{
- const struct wined3d_gl_info *gl_info = context->gl_info;
-
- if (!context->transform_feedback_active || context->transform_feedback_paused)
- return;
-
- if (gl_info->supported[ARB_TRANSFORM_FEEDBACK2])
- {
- GL_EXTCALL(glPauseTransformFeedback());
- checkGLcall("glPauseTransformFeedback");
- context->transform_feedback_paused = 1;
- return;
- }
-
- WARN("Cannot pause transform feedback operations.\n");
-
- if (force)
- context_end_transform_feedback(context);
-}
-
-static GLenum gl_tfb_primitive_type_from_d3d(enum wined3d_primitive_type primitive_type)
-{
- GLenum gl_primitive_type = gl_primitive_type_from_d3d(primitive_type);
- switch (gl_primitive_type)
- {
- case GL_POINTS:
- return GL_POINTS;
-
- case GL_LINE_STRIP:
- case GL_LINE_STRIP_ADJACENCY:
- case GL_LINES_ADJACENCY:
- case GL_LINES:
- return GL_LINES;
-
- case GL_TRIANGLE_FAN:
- case GL_TRIANGLE_STRIP:
- case GL_TRIANGLE_STRIP_ADJACENCY:
- case GL_TRIANGLES_ADJACENCY:
- case GL_TRIANGLES:
- return GL_TRIANGLES;
-
- default:
- return gl_primitive_type;
- }
-}
-
-/* Routine common to the draw primitive and draw indexed primitive routines */
-void draw_primitive(struct wined3d_device *device, const struct wined3d_state *state,
- const struct wined3d_draw_parameters *parameters)
-{
- BOOL emulation = FALSE, rasterizer_discard = FALSE;
- const struct wined3d_fb_state *fb = state->fb;
- const struct wined3d_stream_info *stream_info;
- struct wined3d_rendertarget_view *dsv, *rtv;
- struct wined3d_stream_info si_emulated;
- struct wined3d_fence *ib_fence = NULL;
- const struct wined3d_gl_info *gl_info;
- struct wined3d_context *context;
- unsigned int i, idx_size = 0;
- const void *idx_data = NULL;
-
- if (!parameters->indirect && !parameters->u.direct.index_count)
- return;
-
- if (!(rtv = fb->render_targets[0]))
- rtv = fb->depth_stencil;
- if (rtv)
- context = context_acquire(device, wined3d_texture_from_resource(rtv->resource), rtv->sub_resource_idx);
- else
- context = context_acquire(device, NULL, 0);
- if (!context->valid)
- {
- context_release(context);
- WARN("Invalid context, skipping draw.\n");
- return;
- }
- gl_info = context->gl_info;
-
- if (!use_transform_feedback(state))
- context_pause_transform_feedback(context, TRUE);
-
- for (i = 0; i < gl_info->limits.buffers; ++i)
- {
- if (!(rtv = fb->render_targets[i]) || rtv->format->id == WINED3DFMT_NULL)
- continue;
-
- if (state->render_states[WINED3D_RS_COLORWRITEENABLE])
- {
- wined3d_rendertarget_view_load_location(rtv, context, rtv->resource->draw_binding);
- wined3d_rendertarget_view_invalidate_location(rtv, ~rtv->resource->draw_binding);
- }
- else
- {
- wined3d_rendertarget_view_prepare_location(rtv, context, rtv->resource->draw_binding);
- }
- }
-
- if ((dsv = fb->depth_stencil))
- {
- /* Note that this depends on the context_acquire() call above to set
- * context->render_offscreen properly. We don't currently take the
- * Z-compare function into account, but we could skip loading the
- * depthstencil for D3DCMP_NEVER and D3DCMP_ALWAYS as well. Also note
- * that we never copy the stencil data.*/
- DWORD location = context->render_offscreen ? dsv->resource->draw_binding : WINED3D_LOCATION_DRAWABLE;
-
- if (state->render_states[WINED3D_RS_ZWRITEENABLE] || state->render_states[WINED3D_RS_ZENABLE])
- wined3d_rendertarget_view_load_location(dsv, context, location);
- else
- wined3d_rendertarget_view_prepare_location(dsv, context, location);
- }
-
- if (parameters->indirect)
- wined3d_buffer_load(parameters->u.indirect.buffer, context, state);
-
- if (!context_apply_draw_state(context, device, state))
- {
- context_release(context);
- WARN("Unable to apply draw state, skipping draw.\n");
- return;
- }
-
- if (dsv && state->render_states[WINED3D_RS_ZWRITEENABLE])
- {
- DWORD location = context->render_offscreen ? dsv->resource->draw_binding : WINED3D_LOCATION_DRAWABLE;
-
- wined3d_rendertarget_view_validate_location(dsv, location);
- wined3d_rendertarget_view_invalidate_location(dsv, ~location);
- }
-
- stream_info = &context->stream_info;
-
- if (parameters->indexed)
- {
- struct wined3d_buffer *index_buffer = state->index_buffer;
- if (!index_buffer->buffer_object || !stream_info->all_vbo)
- {
- idx_data = index_buffer->resource.heap_memory;
- }
- else
- {
- ib_fence = index_buffer->fence;
- idx_data = NULL;
- }
- idx_data = (const BYTE *)idx_data + state->index_offset;
-
- if (state->index_format == WINED3DFMT_R16_UINT)
- idx_size = 2;
- else
- idx_size = 4;
- }
-
- if (!use_vs(state))
- {
- if (!stream_info->position_transformed && context->num_untracked_materials
- && state->render_states[WINED3D_RS_LIGHTING])
- {
- static BOOL warned;
-
- if (!warned++)
- FIXME("Using software emulation because not all material properties could be tracked.\n");
- else
- WARN_(d3d_perf)("Using software emulation because not all material properties could be tracked.\n");
- emulation = TRUE;
- }
- else if (context->fog_coord && state->render_states[WINED3D_RS_FOGENABLE])
- {
- static BOOL warned;
-
- /* Either write a pipeline replacement shader or convert the
- * specular alpha from unsigned byte to a float in the vertex
- * buffer. */
- if (!warned++)
- FIXME("Using software emulation because manual fog coordinates are provided.\n");
- else
- WARN_(d3d_perf)("Using software emulation because manual fog coordinates are provided.\n");
- emulation = TRUE;
- }
-
- if (emulation)
- {
- si_emulated = context->stream_info;
- remove_vbos(context, state, &si_emulated);
- stream_info = &si_emulated;
- }
- }
-
- if (use_transform_feedback(state))
- {
- const struct wined3d_shader *shader = state->shader[WINED3D_SHADER_TYPE_GEOMETRY];
-
- if (is_rasterization_disabled(shader))
- {
- glEnable(GL_RASTERIZER_DISCARD);
- checkGLcall("enable rasterizer discard");
- rasterizer_discard = TRUE;
- }
-
- if (context->transform_feedback_paused)
- {
- GL_EXTCALL(glResumeTransformFeedback());
- checkGLcall("glResumeTransformFeedback");
- context->transform_feedback_paused = 0;
- }
- else if (!context->transform_feedback_active)
- {
- GLenum mode = gl_tfb_primitive_type_from_d3d(shader->u.gs.output_type);
- GL_EXTCALL(glBeginTransformFeedback(mode));
- checkGLcall("glBeginTransformFeedback");
- context->transform_feedback_active = 1;
- }
- }
-
- if (state->gl_primitive_type == GL_PATCHES)
- {
- GL_EXTCALL(glPatchParameteri(GL_PATCH_VERTICES, state->gl_patch_vertices));
- checkGLcall("glPatchParameteri");
- }
-
- if (parameters->indirect)
- {
- if (!context->use_immediate_mode_draw && !emulation)
- draw_indirect(context, state, ¶meters->u.indirect, idx_size);
- else
- FIXME("Indirect draws with immediate mode/emulation are not supported.\n");
- }
- else
- {
- unsigned int instance_count = parameters->u.direct.instance_count;
- if (context->instance_count)
- instance_count = context->instance_count;
-
- if (context->use_immediate_mode_draw || emulation)
- draw_primitive_immediate_mode(context, state, stream_info, idx_data,
- idx_size, parameters->u.direct.base_vertex_idx,
- parameters->u.direct.start_idx, parameters->u.direct.index_count, instance_count);
- else
- draw_primitive_arrays(context, state, idx_data, idx_size, parameters->u.direct.base_vertex_idx,
- parameters->u.direct.start_idx, parameters->u.direct.index_count,
- parameters->u.direct.start_instance, instance_count);
- }
-
- if (context->uses_uavs)
- {
- GL_EXTCALL(glMemoryBarrier(GL_ALL_BARRIER_BITS));
- checkGLcall("glMemoryBarrier");
- }
-
- context_pause_transform_feedback(context, FALSE);
-
- if (rasterizer_discard)
- {
- glDisable(GL_RASTERIZER_DISCARD);
- checkGLcall("disable rasterizer discard");
- }
-
- if (ib_fence)
- wined3d_fence_issue(ib_fence, device);
- for (i = 0; i < context->buffer_fence_count; ++i)
- wined3d_fence_issue(context->buffer_fences[i], device);
-
- if (wined3d_settings.strict_draw_ordering)
- gl_info->gl_ops.gl.p_glFlush(); /* Flush to ensure ordering across contexts. */
-
- context_release(context);
-
- TRACE("Done all gl drawing.\n");
-}
-
-void dispatch_compute(struct wined3d_device *device, const struct wined3d_state *state,
- const struct wined3d_dispatch_parameters *parameters)
-{
- const struct wined3d_gl_info *gl_info;
- struct wined3d_context *context;
-
- context = context_acquire(device, NULL, 0);
- if (!context->valid)
- {
- context_release(context);
- WARN("Invalid context, skipping dispatch.\n");
- return;
- }
- gl_info = context->gl_info;
-
- if (!gl_info->supported[ARB_COMPUTE_SHADER])
- {
- context_release(context);
- FIXME("OpenGL implementation does not support compute shaders.\n");
- return;
- }
-
- if (parameters->indirect)
- wined3d_buffer_load(parameters->u.indirect.buffer, context, state);
-
- context_apply_compute_state(context, device, state);
-
- if (!state->shader[WINED3D_SHADER_TYPE_COMPUTE])
- {
- context_release(context);
- WARN("No compute shader bound, skipping dispatch.\n");
- return;
- }
-
- if (parameters->indirect)
- {
- const struct wined3d_indirect_dispatch_parameters *indirect = ¶meters->u.indirect;
- struct wined3d_buffer *buffer = indirect->buffer;
-
- GL_EXTCALL(glBindBuffer(GL_DISPATCH_INDIRECT_BUFFER, buffer->buffer_object));
- GL_EXTCALL(glDispatchComputeIndirect((GLintptr)indirect->offset));
- GL_EXTCALL(glBindBuffer(GL_DISPATCH_INDIRECT_BUFFER, 0));
- }
- else
- {
- const struct wined3d_direct_dispatch_parameters *direct = ¶meters->u.direct;
- GL_EXTCALL(glDispatchCompute(direct->group_count_x, direct->group_count_y, direct->group_count_z));
- }
- checkGLcall("dispatch compute");
-
- GL_EXTCALL(glMemoryBarrier(GL_ALL_BARRIER_BITS));
- checkGLcall("glMemoryBarrier");
-
- if (wined3d_settings.strict_draw_ordering)
- gl_info->gl_ops.gl.p_glFlush(); /* Flush to ensure ordering across contexts. */
-
- context_release(context);
-}