diff options
Diffstat (limited to 'drivers/gles3/rasterizer_storage_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_storage_gles3.cpp | 172 |
1 files changed, 147 insertions, 25 deletions
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp index 406ef6af78..649449a891 100644 --- a/drivers/gles3/rasterizer_storage_gles3.cpp +++ b/drivers/gles3/rasterizer_storage_gles3.cpp @@ -101,6 +101,28 @@ #define _EXT_COMPRESSED_RGB_BPTC_SIGNED_FLOAT 0x8E8E #define _EXT_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT 0x8E8F +#ifdef __EMSCRIPTEN__ +#include <emscripten/emscripten.h> + +void glGetBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, GLvoid *data) { + + /* clang-format off */ + EM_ASM({ + GLctx.getBufferSubData($0, $1, HEAPU8, $2, $3); + }, target, offset, data, size); + /* clang-format on */ +} + +void glBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid *data) { + + /* clang-format off */ + EM_ASM({ + GLctx.bufferSubData($0, $1, HEAPU8, $2, $3); + }, target, offset, data, size); + /* clang-format on */ +} +#endif + void glTexStorage2DCustom(GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLenum format, GLenum type) { #ifdef GLES_OVER_GL @@ -1094,8 +1116,78 @@ Ref<Image> RasterizerStorageGLES3::texture_get_data(RID p_texture, int p_layer) return Ref<Image>(img); #else - ERR_EXPLAIN("Sorry, It's not possible to obtain images back in OpenGL ES"); - ERR_FAIL_V(Ref<Image>()); + Image::Format real_format; + GLenum gl_format; + GLenum gl_internal_format; + GLenum gl_type; + bool compressed; + bool srgb; + _get_gl_image_and_format(Ref<Image>(), texture->format, texture->flags, real_format, gl_format, gl_internal_format, gl_type, compressed, srgb); + + PoolVector<uint8_t> data; + + int data_size = Image::get_image_data_size(texture->alloc_width, texture->alloc_height, Image::FORMAT_RGBA8, false); + + data.resize(data_size * 2); //add some memory at the end, just in case for buggy drivers + PoolVector<uint8_t>::Write wb = data.write(); + + GLuint temp_framebuffer; + glGenFramebuffers(1, &temp_framebuffer); + + GLuint temp_color_texture; + glGenTextures(1, &temp_color_texture); + + glBindFramebuffer(GL_FRAMEBUFFER, temp_framebuffer); + + glBindTexture(GL_TEXTURE_2D, temp_color_texture); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texture->alloc_width, texture->alloc_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL); + + print_line(itos(texture->alloc_width) + " xx " + itos(texture->alloc_height) + " -> " + itos(real_format)); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, temp_color_texture, 0); + + glDepthMask(GL_FALSE); + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + glDisable(GL_BLEND); + glDepthFunc(GL_LEQUAL); + glColorMask(1, 1, 1, 1); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D, texture->tex_id); + + glViewport(0, 0, texture->alloc_width, texture->alloc_height); + + shaders.copy.bind(); + + shaders.copy.set_conditional(CopyShaderGLES3::LINEAR_TO_SRGB, !srgb); + + glClearColor(0.0, 0.0, 0.0, 0.0); + glClear(GL_COLOR_BUFFER_BIT); + glBindVertexArray(resources.quadie_array); + glDrawArrays(GL_TRIANGLE_FAN, 0, 4); + glBindVertexArray(0); + + glReadPixels(0, 0, texture->alloc_width, texture->alloc_height, GL_RGBA, GL_UNSIGNED_BYTE, &wb[0]); + + shaders.copy.set_conditional(CopyShaderGLES3::LINEAR_TO_SRGB, false); + + glDeleteTextures(1, &temp_color_texture); + + glBindFramebuffer(GL_FRAMEBUFFER, 0); + glDeleteFramebuffers(1, &temp_framebuffer); + + wb = PoolVector<uint8_t>::Write(); + + data.resize(data_size); + + Image *img = memnew(Image(texture->alloc_width, texture->alloc_height, false, Image::FORMAT_RGBA8, data)); + if (!texture->compressed) { + img->convert(real_format); + } + + return Ref<Image>(img); #endif } @@ -2738,7 +2830,7 @@ void RasterizerStorageGLES3::_update_material(Material *material) { if (material->shader && material->shader->mode == VS::SHADER_SPATIAL) { if (material->shader->spatial.blend_mode == Shader::Spatial::BLEND_MODE_MIX && - (!material->shader->spatial.uses_alpha || (material->shader->spatial.uses_alpha && material->shader->spatial.depth_draw_mode == Shader::Spatial::DEPTH_DRAW_ALPHA_PREPASS))) { + (!material->shader->spatial.uses_alpha || material->shader->spatial.depth_draw_mode == Shader::Spatial::DEPTH_DRAW_ALPHA_PREPASS)) { can_cast_shadow = true; } @@ -3494,21 +3586,26 @@ PoolVector<uint8_t> RasterizerStorageGLES3::mesh_surface_get_array(RID p_mesh, i Surface *surface = mesh->surfaces[p_surface]; - glBindBuffer(GL_ARRAY_BUFFER, surface->vertex_id); - void *data = glMapBufferRange(GL_ARRAY_BUFFER, 0, surface->array_byte_size, GL_MAP_READ_BIT); - - ERR_FAIL_COND_V(!data, PoolVector<uint8_t>()); - PoolVector<uint8_t> ret; ret.resize(surface->array_byte_size); + glBindBuffer(GL_ARRAY_BUFFER, surface->vertex_id); +#if defined(GLES_OVER_GL) || defined(__EMSCRIPTEN__) + { + PoolVector<uint8_t>::Write w = ret.write(); + glGetBufferSubData(GL_ARRAY_BUFFER, 0, surface->array_byte_size, w.ptr()); + } +#else + void *data = glMapBufferRange(GL_ARRAY_BUFFER, 0, surface->array_byte_size, GL_MAP_READ_BIT); + ERR_FAIL_NULL_V(data, PoolVector<uint8_t>()); { - PoolVector<uint8_t>::Write w = ret.write(); copymem(w.ptr(), data, surface->array_byte_size); } glUnmapBuffer(GL_ARRAY_BUFFER); +#endif + glBindBuffer(GL_ARRAY_BUFFER, 0); return ret; } @@ -3521,22 +3618,26 @@ PoolVector<uint8_t> RasterizerStorageGLES3::mesh_surface_get_index_array(RID p_m ERR_FAIL_COND_V(surface->index_array_len == 0, PoolVector<uint8_t>()); - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, surface->index_id); - void *data = glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, 0, surface->index_array_byte_size, GL_MAP_READ_BIT); - - ERR_FAIL_COND_V(!data, PoolVector<uint8_t>()); - PoolVector<uint8_t> ret; ret.resize(surface->index_array_byte_size); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, surface->index_id); +#if defined(GLES_OVER_GL) || defined(__EMSCRIPTEN__) + { + PoolVector<uint8_t>::Write w = ret.write(); + glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, surface->index_array_byte_size, w.ptr()); + } +#else + void *data = glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, 0, surface->index_array_byte_size, GL_MAP_READ_BIT); + ERR_FAIL_NULL_V(data, PoolVector<uint8_t>()); { - PoolVector<uint8_t>::Write w = ret.write(); copymem(w.ptr(), data, surface->index_array_byte_size); } - glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER); +#endif + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); return ret; } @@ -3577,23 +3678,26 @@ Vector<PoolVector<uint8_t> > RasterizerStorageGLES3::mesh_surface_get_blend_shap for (int i = 0; i < mesh->surfaces[p_surface]->blend_shapes.size(); i++) { - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh->surfaces[p_surface]->blend_shapes[i].vertex_id); - void *data = glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, 0, mesh->surfaces[p_surface]->array_byte_size, GL_MAP_READ_BIT); - - ERR_FAIL_COND_V(!data, Vector<PoolVector<uint8_t> >()); - PoolVector<uint8_t> ret; ret.resize(mesh->surfaces[p_surface]->array_byte_size); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mesh->surfaces[p_surface]->blend_shapes[i].vertex_id); +#if defined(GLES_OVER_GL) || defined(__EMSCRIPTEN__) + { + PoolVector<uint8_t>::Write w = ret.write(); + glGetBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, mesh->surfaces[p_surface]->array_byte_size, w.ptr()); + } +#else + void *data = glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER, 0, mesh->surfaces[p_surface]->array_byte_size, GL_MAP_READ_BIT); + ERR_FAIL_COND_V(!data, Vector<PoolVector<uint8_t> >()); { - PoolVector<uint8_t>::Write w = ret.write(); copymem(w.ptr(), data, mesh->surfaces[p_surface]->array_byte_size); } + glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER); +#endif bsarr.push_back(ret); - - glUnmapBuffer(GL_ELEMENT_ARRAY_BUFFER); } return bsarr; @@ -6001,9 +6105,21 @@ AABB RasterizerStorageGLES3::particles_get_current_aabb(RID p_particles) { const Particles *particles = particles_owner.getornull(p_particles); ERR_FAIL_COND_V(!particles, AABB()); + const float *data; glBindBuffer(GL_ARRAY_BUFFER, particles->particle_buffers[0]); - float *data = (float *)glMapBufferRange(GL_ARRAY_BUFFER, 0, particles->amount * 16 * 6, GL_MAP_READ_BIT); +#if defined(GLES_OVER_GL) || defined(__EMSCRIPTEN__) + PoolVector<uint8_t> vector; + vector.resize(particles->amount * 16 * 6); + { + PoolVector<uint8_t>::Write w = vector.write(); + glGetBufferSubData(GL_ARRAY_BUFFER, 0, particles->amount * 16 * 6, w.ptr()); + } + PoolVector<uint8_t>::Read r = vector.read(); + data = reinterpret_cast<const float *>(r.ptr()); +#else + data = (float *)glMapBufferRange(GL_ARRAY_BUFFER, 0, particles->amount * 16 * 6, GL_MAP_READ_BIT); +#endif AABB aabb; Transform inv = particles->emission_transform.affine_inverse(); @@ -6020,7 +6136,13 @@ AABB RasterizerStorageGLES3::particles_get_current_aabb(RID p_particles) { aabb.expand_to(pos); } +#if defined(GLES_OVER_GL) || defined(__EMSCRIPTEN__) + r = PoolVector<uint8_t>::Read(); + vector = PoolVector<uint8_t>(); +#else glUnmapBuffer(GL_ARRAY_BUFFER); +#endif + glBindBuffer(GL_ARRAY_BUFFER, 0); float longest_axis = 0; |