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-rw-r--r--src/video_core/command_processor.cpp3
-rw-r--r--src/video_core/pica.h7
-rw-r--r--src/video_core/shader/shader_jit_x64.cpp6
3 files changed, 11 insertions, 5 deletions
diff --git a/src/video_core/command_processor.cpp b/src/video_core/command_processor.cpp
index a78985510..682be89ec 100644
--- a/src/video_core/command_processor.cpp
+++ b/src/video_core/command_processor.cpp
@@ -235,7 +235,8 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
for (unsigned int index = 0; index < regs.num_vertices; ++index)
{
- unsigned int vertex = is_indexed ? (index_u16 ? index_address_16[index] : index_address_8[index]) : index;
+ // Indexed rendering doesn't use the start offset
+ unsigned int vertex = is_indexed ? (index_u16 ? index_address_16[index] : index_address_8[index]) : (index + regs.vertex_offset);
// -1 is a common special value used for primitive restart. Since it's unknown if
// the PICA supports it, and it would mess up the caching, guard against it here.
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index f40684d83..5811eb9bc 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -769,7 +769,12 @@ struct Regs {
// Number of vertices to render
u32 num_vertices;
- INSERT_PADDING_WORDS(0x5);
+ INSERT_PADDING_WORDS(0x1);
+
+ // The index of the first vertex to render
+ u32 vertex_offset;
+
+ INSERT_PADDING_WORDS(0x3);
// These two trigger rendering of triangles
u32 trigger_draw;
diff --git a/src/video_core/shader/shader_jit_x64.cpp b/src/video_core/shader/shader_jit_x64.cpp
index d3cfe109e..c7b63a9b7 100644
--- a/src/video_core/shader/shader_jit_x64.cpp
+++ b/src/video_core/shader/shader_jit_x64.cpp
@@ -434,10 +434,10 @@ void JitCompiler::Compile_SGE(Instruction instr) {
Compile_SwizzleSrc(instr, 2, instr.common.src2, SRC2);
}
- CMPPS(SRC1, R(SRC2), CMP_NLT);
- ANDPS(SRC1, R(ONE));
+ CMPPS(SRC2, R(SRC1), CMP_LE);
+ ANDPS(SRC2, R(ONE));
- Compile_DestEnable(instr, SRC1);
+ Compile_DestEnable(instr, SRC2);
}
void JitCompiler::Compile_SLT(Instruction instr) {