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-rw-r--r--drivers/gles3/rasterizer_storage_gles3.cpp31
-rw-r--r--drivers/gles3/rasterizer_storage_gles3.h4
2 files changed, 21 insertions, 14 deletions
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp
index 4ef7db8ea9..e4468c5144 100644
--- a/drivers/gles3/rasterizer_storage_gles3.cpp
+++ b/drivers/gles3/rasterizer_storage_gles3.cpp
@@ -1539,7 +1539,7 @@ RID RasterizerStorageGLES3::texture_create_radiance_cubemap(RID p_source, int p_
ERR_FAIL_COND_V(!texture, RID());
ERR_FAIL_COND_V(texture->type != VS::TEXTURE_TYPE_CUBEMAP, RID());
- bool use_float = config.hdr_supported;
+ bool use_float = config.framebuffer_half_float_supported;
if (p_resolution < 0) {
p_resolution = texture->width;
@@ -1787,7 +1787,7 @@ void RasterizerStorageGLES3::sky_set_texture(RID p_sky, RID p_panorama, int p_ra
int array_level = 6;
- bool use_float = config.hdr_supported;
+ bool use_float = config.framebuffer_half_float_supported;
GLenum internal_format = use_float ? GL_RGBA16F : GL_RGB10_A2;
GLenum format = GL_RGBA;
@@ -1899,7 +1899,7 @@ void RasterizerStorageGLES3::sky_set_texture(RID p_sky, RID p_panorama, int p_ra
int mm_level = mipmaps;
- bool use_float = config.hdr_supported;
+ bool use_float = config.framebuffer_half_float_supported;
GLenum internal_format = use_float ? GL_RGBA16F : GL_RGB10_A2;
GLenum format = GL_RGBA;
@@ -6800,7 +6800,7 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
GLuint color_type;
Image::Format image_format;
- bool hdr = rt->flags[RENDER_TARGET_HDR] && config.hdr_supported;
+ bool hdr = rt->flags[RENDER_TARGET_HDR] && config.framebuffer_half_float_supported;
//hdr = false;
if (!hdr || rt->flags[RENDER_TARGET_NO_3D]) {
@@ -7054,7 +7054,14 @@ void RasterizerStorageGLES3::_render_target_allocate(RenderTarget *rt) {
glGenTextures(1, &rt->exposure.color);
glBindTexture(GL_TEXTURE_2D, rt->exposure.color);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, 1, 1, 0, GL_RED, GL_FLOAT, NULL);
+ if (config.framebuffer_float_supported) {
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R32F, 1, 1, 0, GL_RED, GL_FLOAT, NULL);
+ } else if (config.framebuffer_half_float_supported) {
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_R16F, 1, 1, 0, GL_RED, GL_HALF_FLOAT, NULL);
+ } else {
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB10_A2, 1, 1, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, NULL);
+ }
+
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->exposure.color, 0);
status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
@@ -7809,17 +7816,21 @@ void RasterizerStorageGLES3::initialize() {
config.latc_supported = config.extensions.has("GL_EXT_texture_compression_latc");
config.bptc_supported = config.extensions.has("GL_ARB_texture_compression_bptc");
#ifdef GLES_OVER_GL
- config.hdr_supported = true;
config.etc2_supported = false;
config.s3tc_supported = true;
config.rgtc_supported = true; //RGTC - core since OpenGL version 3.0
config.texture_float_linear_supported = true;
+ config.framebuffer_float_supported = true;
+ config.framebuffer_half_float_supported = true;
+
#else
config.etc2_supported = true;
- config.hdr_supported = false;
config.s3tc_supported = config.extensions.has("GL_EXT_texture_compression_dxt1") || config.extensions.has("GL_EXT_texture_compression_s3tc") || config.extensions.has("WEBGL_compressed_texture_s3tc");
config.rgtc_supported = config.extensions.has("GL_EXT_texture_compression_rgtc") || config.extensions.has("GL_ARB_texture_compression_rgtc") || config.extensions.has("EXT_texture_compression_rgtc");
config.texture_float_linear_supported = config.extensions.has("GL_OES_texture_float_linear");
+ config.framebuffer_float_supported = config.extensions.has("GL_EXT_color_buffer_float");
+ config.framebuffer_half_float_supported = config.extensions.has("GL_EXT_color_buffer_half_float") || config.framebuffer_float_supported;
+
#endif
config.pvrtc_supported = config.extensions.has("GL_IMG_texture_compression_pvrtc");
@@ -7912,11 +7923,7 @@ void RasterizerStorageGLES3::initialize() {
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &config.max_texture_image_units);
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &config.max_texture_size);
-#ifdef GLES_OVER_GL
- config.use_rgba_2d_shadows = false;
-#else
- config.use_rgba_2d_shadows = true;
-#endif
+ config.use_rgba_2d_shadows = config.framebuffer_float_supported;
//generic quadie for copying
diff --git a/drivers/gles3/rasterizer_storage_gles3.h b/drivers/gles3/rasterizer_storage_gles3.h
index 88897e1e07..d1e02e25d6 100644
--- a/drivers/gles3/rasterizer_storage_gles3.h
+++ b/drivers/gles3/rasterizer_storage_gles3.h
@@ -82,11 +82,11 @@ public:
bool etc2_supported;
bool pvrtc_supported;
- bool hdr_supported;
-
bool srgb_decode_supported;
bool texture_float_linear_supported;
+ bool framebuffer_float_supported;
+ bool framebuffer_half_float_supported;
bool use_rgba_2d_shadows;