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-rw-r--r--src/osd/modules/render/bgfx/chainmanager.cpp12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/osd/modules/render/bgfx/chainmanager.cpp b/src/osd/modules/render/bgfx/chainmanager.cpp
index aa7adb4b5fb..74300d55f97 100644
--- a/src/osd/modules/render/bgfx/chainmanager.cpp
+++ b/src/osd/modules/render/bgfx/chainmanager.cpp
@@ -475,9 +475,11 @@ uint32_t chain_manager::update_screen_textures(uint32_t view, render_primitive *
if (prim.m_prim->texture.palette)
{
uint16_t palette_width = (uint16_t)std::min(prim.m_palette_length, 256U);
- uint16_t palette_height = (uint16_t)std::max(prim.m_palette_length / 256, 1U);
- const bgfx::Memory *palmem = bgfx::copy(prim.m_prim->texture.palette, palette_width * palette_height * 4);
- palette = new bgfx_texture(palette_name, bgfx::TextureFormat::BGRA8, palette_width, palette_height, palmem, BGFX_SAMPLER_U_CLAMP | BGFX_SAMPLER_V_CLAMP | BGFX_SAMPLER_MIN_POINT | BGFX_SAMPLER_MAG_POINT | BGFX_SAMPLER_MIP_POINT, palette_width);
+ uint16_t palette_height = (uint16_t)std::max((prim.m_palette_length + 255) / 256, 1U);
+ uint8_t palette_temp[palette_width * palette_height * 4];
+ memcpy(palette_temp, prim.m_prim->texture.palette, prim.m_palette_length * 4);
+ const bgfx::Memory *palmem = bgfx::copy(palette_temp, palette_width * palette_height * 4);
+ palette = new bgfx_texture(palette_name, bgfx::TextureFormat::BGRA8, palette_width, palette_height, palmem, BGFX_SAMPLER_U_CLAMP | BGFX_SAMPLER_V_CLAMP | BGFX_SAMPLER_MIN_POINT | BGFX_SAMPLER_MAG_POINT | BGFX_SAMPLER_MIP_POINT, palette_width * 4);
m_textures.add_provider(palette_name, palette);
}
@@ -496,7 +498,9 @@ uint32_t chain_manager::update_screen_textures(uint32_t view, render_primitive *
if (prim.m_prim->texture.palette)
{
- const bgfx::Memory *palmem = bgfx::copy(prim.m_prim->texture.palette, palette->width() * palette->height() * 4);
+ uint8_t palette_temp[palette->width() * palette->height() * 4];
+ memcpy(palette_temp, prim.m_prim->texture.palette, prim.m_palette_length * 4);
+ const bgfx::Memory *palmem = bgfx::copy(palette_temp, palette->width() * palette->height() * 4);
palette->update(palmem);
}
}