diff options
Diffstat (limited to 'drivers/gles2/rasterizer_canvas_gles2.cpp')
| -rw-r--r-- | drivers/gles2/rasterizer_canvas_gles2.cpp | 62 |
1 files changed, 61 insertions, 1 deletions
diff --git a/drivers/gles2/rasterizer_canvas_gles2.cpp b/drivers/gles2/rasterizer_canvas_gles2.cpp index ac54af722c..1db1625194 100644 --- a/drivers/gles2/rasterizer_canvas_gles2.cpp +++ b/drivers/gles2/rasterizer_canvas_gles2.cpp @@ -406,6 +406,66 @@ void RasterizerCanvasGLES2::_draw_generic(GLuint p_primitive, int p_vertex_count glBindBuffer(GL_ARRAY_BUFFER, 0); } +void RasterizerCanvasGLES2::_draw_generic_indices(GLuint p_primitive, const int *p_indices, int p_index_count, int p_vertex_count, const Vector2 *p_vertices, const Vector2 *p_uvs, const Color *p_colors, bool p_singlecolor) { + + glBindBuffer(GL_ARRAY_BUFFER, data.polygon_buffer); +#ifndef GLES_OVER_GL + // Orphan the buffer to avoid CPU/GPU sync points caused by glBufferSubData + glBufferData(GL_ARRAY_BUFFER, data.polygon_buffer_size, NULL, GL_DYNAMIC_DRAW); +#endif + + uint32_t buffer_ofs = 0; + + glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(Vector2) * p_vertex_count, p_vertices); + glEnableVertexAttribArray(VS::ARRAY_VERTEX); + glVertexAttribPointer(VS::ARRAY_VERTEX, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), NULL); + buffer_ofs += sizeof(Vector2) * p_vertex_count; + + if (p_singlecolor) { + glDisableVertexAttribArray(VS::ARRAY_COLOR); + Color m = *p_colors; + glVertexAttrib4f(VS::ARRAY_COLOR, m.r, m.g, m.b, m.a); + } else if (!p_colors) { + glDisableVertexAttribArray(VS::ARRAY_COLOR); + glVertexAttrib4f(VS::ARRAY_COLOR, 1, 1, 1, 1); + } else { + glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Color) * p_vertex_count, p_colors); + glEnableVertexAttribArray(VS::ARRAY_COLOR); + glVertexAttribPointer(VS::ARRAY_COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(Color), CAST_INT_TO_UCHAR_PTR(buffer_ofs)); + buffer_ofs += sizeof(Color) * p_vertex_count; + } + + if (p_uvs) { + glBufferSubData(GL_ARRAY_BUFFER, buffer_ofs, sizeof(Vector2) * p_vertex_count, p_uvs); + glEnableVertexAttribArray(VS::ARRAY_TEX_UV); + glVertexAttribPointer(VS::ARRAY_TEX_UV, 2, GL_FLOAT, GL_FALSE, sizeof(Vector2), CAST_INT_TO_UCHAR_PTR(buffer_ofs)); + buffer_ofs += sizeof(Vector2) * p_vertex_count; + } else { + glDisableVertexAttribArray(VS::ARRAY_TEX_UV); + } + + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, data.polygon_index_buffer); +#ifndef GLES_OVER_GL + // Orphan the buffer to avoid CPU/GPU sync points caused by glBufferSubData + glBufferData(GL_ELEMENT_ARRAY_BUFFER, data.polygon_index_buffer_size, NULL, GL_DYNAMIC_DRAW); +#endif + + if (storage->config.support_32_bits_indices) { //should check for + glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, sizeof(int) * p_index_count, p_indices); + glDrawElements(p_primitive, p_index_count, GL_UNSIGNED_INT, 0); + } else { + uint16_t *index16 = (uint16_t *)alloca(sizeof(uint16_t) * p_index_count); + for (int i = 0; i < p_index_count; i++) { + index16[i] = uint16_t(p_indices[i]); + } + glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, sizeof(uint16_t) * p_index_count, index16); + glDrawElements(p_primitive, p_index_count, GL_UNSIGNED_SHORT, 0); + } + + glBindBuffer(GL_ARRAY_BUFFER, 0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); +} + void RasterizerCanvasGLES2::_draw_gui_primitive(int p_points, const Vector2 *p_vertices, const Color *p_colors, const Vector2 *p_uvs) { static const GLenum prim[5] = { GL_POINTS, GL_POINTS, GL_LINES, GL_TRIANGLES, GL_TRIANGLE_FAN }; @@ -973,7 +1033,7 @@ void RasterizerCanvasGLES2::_canvas_item_render_commands(Item *p_item, Item *cur #ifdef GLES_OVER_GL if (polygon->antialiased) { glEnable(GL_LINE_SMOOTH); - _draw_generic(GL_LINE_LOOP, polygon->points.size(), polygon->points.ptr(), polygon->uvs.ptr(), polygon->colors.ptr(), polygon->colors.size() == 1); + _draw_generic_indices(GL_LINE_STRIP, polygon->indices.ptr(), polygon->count, polygon->points.size(), polygon->points.ptr(), polygon->uvs.ptr(), polygon->colors.ptr(), polygon->colors.size() == 1); glDisable(GL_LINE_SMOOTH); } #endif |